Encyclopedia

Obrom An obrom is a type of musical instrument in the percussion family, originating in Nigeria. Formed from one large piece of wood, usually a log, the obrom has two recesses connected to each other by a small channel.
Obruchev (crater) Obruchev is a disintegrating lunar crater that lies along the southern shore of Mare Ingenii, on the far side of the Moon. Less than three crater diameters to the south of Obruchev is Chrétien crater, and about the same distance to the southeast lies Oresme crater.
Obscene phone call An obscene phone call is an unsolicited telephone call where the caller attempts to annoy or frighten the called party, usually by sexual or foul language. Note that solicited calls involving sexually explicit language are usually considered phone sex.
Obscene Publications Act Since 1857, a series of obscenity laws known as the Obscene Publications Acts have governed what can be published in the United Kingdom. The classic definition of criminal obscenity is if it "tends to deprave and corrupt," stated in 1868 by John Duke Coleridge, 1st Baron Coleridge.
Obscene Publications Act 1959 The Obscene Publications Act 1959 was an act of Parliament of the United Kingdom Parliament to amend the law relating to the publication of obscene matter, provide the protection of literature and strengthen the law concerning pornography. The law defined obscenity and separated it from serious works of art.
Obscenity Obscenity in Latin obscenus, meaning "foul, repulsive, detestable", (possibly derived from ob caenum, literally "from filth"). The term is most often used in a legal context to describe expressions (words, images, actions) that offend the prevalent sexual morality of the time.
Obscure Berrypecker The Obscure Berrypecker, Melanocharis arfakiana is a small passerine bird from the berrypecker family Melanocharitidae. It was described by the German ornithologist Friedrich Finsch based on a specimen collected on the island of New Guinea (to which the berrypecker family is endemic); collected in 1867 in the Arfak Mountains (now in Papua).
Obscurity Obscurity is a progressive rock ROIO by Pink Floyd. This double disc set which was recorded at the Case Western Reserve University, Cleveland on November 6th 1971, was part of the American leg of the Meddle album tour.
Obscuro Obscuro music (also called outsider music) is not specifically limited to one style, but instead encompasses music that cannot neatly be classified into other genres. Therefore, obscuro cannot be precisely defined and the website Allmusic describes it as "a nebulous category that encompasses the weird, the puzzling, the ill-conceived, the unclassifiable, the musical territory you never dreamed existed.
ObsCure ObsCure is a survival horror game that was developed by Hydravision and published by DreamCatcher InteractiveDreamCatcher Ships ObsCure From Gamespot for the PlayStation 2, Xbox, and Windows. It was released in North America on April 6, 2005 and October, 2004 in PAL regions.
Observability In control theory, Observability is a measure for how well internal states of a system can be inferred by knowledge of its external outputs. The observability and controllability of a system are mathematical duals.
Observable In physics, particularly in quantum physics, a system observable is a property of the system state that can be determined by some sequence of physical operations. These operations might involve submitting the system to various electromagnetic fields and eventually reading a value off some gauge.
Observable subgroup In mathematics, in the representation theory of algebraic groups, an algebraic subgroup of an algebraic linear group is termed observable if every finite dimensional rational representation of the subgroup arises as the restriction to the subgroup of a finite dimensional rational representation of the whole group.
Observation balloon Observation balloons are balloons that are employed as aerial platforms for intelligence gathering and artillery spotting. Their use began during the Napoleonic Wars, reaching their zenith during World War I, and they continue in limited use today.
Observation Hill (McMurdo Station) Observation Hill is a large hill (750 ft/230m) adjacent to McMurdo Station in Antarctica and commonly called "Ob Hill" (prononuced Obie). It is frequently climbed in order to get good viewing points across the continent.
Observation on the Spot Observation on the Spot (Wizja lokalna) is a science fiction novel by Stanisław Lem which has not been translated into English. It deals with Ijon Tichy's traveling to a faraway planet, Entia (which is a Latin equivalent of their self-name) to study their civilization.
Observation Post Alpha Observation Post Alpha, OP Alpha or Point Alpha () was a Cold War observation post located between Rasdorf, Hessen, West Germany and Geisa, Thuringia, East Germany. The post overlooked the Fulda Gap, which was seen as a prime avenue of invasion during the cold war.
Observation tower (ride) An observation tower is an attraction in an amusement park which elevates visitors to a certain height, allowing a wide view of the surrounding park and other areas. Some towers feature elevators to the upper decks, while others have entire moving platforms which act as the observation deck as they rise up and down the tower itself.
Observation Tower Ahlbeck The Observation Tower Ahlbeck is an observation tower with tree observation decks at Ahlbeck on the island Usedom in Germany. The Observation Tower Ahlbeck is a steel framework tower and carries on a fourth platform over the observation platforms and the top some aerials for mobile phone services.
Observation Tower Baden-Baden Merkur The observation tower Baden-Baden Merkur is an observation tower on Mount Merkur near Baden-Baden, at 8°16'50" E and 48°45'52" N. The tower is been in use since April 8, 1950 by the former SWF (now SWR) as a transmission tower for FM-radio and, since 1953, television.
Observation Tower Burgholzhof The Observation Tower Burgholzhof is one 1891 bricked observation tower established by the architect-general Keppler on behalf of the adornment association on that 359 meters high castle wood yard with 9°11'41 of "eastern length and 48°49'08" northern latitude in the style of a Roman tower. The observation tower castle wood yard was reorganized 1987/88.
Observation wheel An observation wheel is a large slowly rotating and vertically oriented nonbuilding structure carrying enclosed passenger cars or pods along its circumference. Although observation wheels are often described as Ferris wheels, the two differ in a number of significant respects:
Observational astronomy Observational astronomy is a division of the astronomical science that is concerned with getting data, in contrast with theoretical astrophysics which is mainly concerned with finding out the measureable implications of physical models. It is the practice of observing celestial objects by using telescopes and other astronomical apparatus.
Observational comedy Observational comedy is a brand of humor based on making remarks about various facets of daily life. The style was popularized in the United States by George Carlin, Jay Leno and David Letterman in the 1970s, continued by Jerry Seinfeld and Conan O'brien in the 1990s, and is currently practiced by comedians such as Dane Cook, Patton Oswalt, Brian Regan and Carl Barron.
Observational equivalence Two terms M and N are observationally equivalent if for all contexts C[] where C[M] is a valid term, C[N] is also a valid term with the same value. Thus it is not possible to differentiate between the two terms.
Observational learning Observational learning or social learning is learning that occurs as a function of observing, retaining and replicating behavior observed in others. It is most associated with the work of psychologist Albert Bandura, who implemented some of the seminal studies in the area and initiated social learning theory.
Observational science An observational science is a science where it is not possible to construct controlled experiments in the area under study. For example, in astronomy, it is not possible to create or manipulate stars or galaxies in order to observe what happens.
Observational study In statistics, the goal of an observational study is to draw inferences about the possible effect of a treatment on subjects, where the assignment of subjects into a treated group versus a control group is outside the control of the investigator. This is in contrast with controlled experiments, such as randomized controlled trials, where each subjects is randomly assigned to a treated group or a control group before the start of the treatment.
Observational techniques In marketing and the social sciences, observational research (or field research) is a social research technique that involves the direct observation of phenomena in their natural setting. This differentiates it from experimental research in which a quasi-artificial environment is created to control for spurious factors, and where at least one of the variables is manipulated as part of the experiment.
Observations (Pierre Belon) Les observations de plusieurs singularitez et choses memorables trouvées en Grèce, Asie, Judée, Egypte, Arabie et autres pays étrangèrs is a work of ethnographical, botanical and zoological exploration by Pierre Belon (1517-1564), a French naturalist from Le Mans. Starting in 1546, Belon travelled through Greece, Asia Minor, Egypt, Arabia and Palestine, returning to France in 1549.
Observatory An observatory is a location used for observing terrestrial and/or celestial events. Astronomy, astrology, climatology, geology, meteorology, oceanography and volcanology are examples of disciplines for which observatories have been constructed.
Observatory of Turin The Osservatorio Astronomico di Torino (Observatory of Turin or Torino, also known simply as Pino Torinese) is an astronomical observatory owned and operated by Italy's Istituto Nazionale di Astrofisica (INAF, National Institute for Astrophysics). It is located on the top of a hill in the town of Pino Torinese in Italy, and was founded back in 1759.
Observe the Sons of Ulster Marching Towards the Somme Observe the Sons of Ulster Marching Towards the Somme, is perhaps one of Frank McGuinness's most respected plays. The Irish dramatist's work received several awards and accolades, most notably the London Evening Standard Award for Most Promising Playwright.
Observer (MST3K) Observer (also known as Brain Guy) is a fictional character on the Mystery Science Theater 3000 television series. He was played by Bill Corbett, and appeared on the eighth through tenth seasons of the series.
Observer Badge The Observer Badge is a military badge of the United States military which dates to the First World War. The badge was issued to co-pilots, navigators, and flight support personnel who had received a variation on the training necessary for the standard Pilot's Badge.
Observer status Observer status is defined in the World Health Organization (WHO) Constitution as a status which the World Health Assembly (WHA) may grant to "any organization, international or national, governmental or non-governmental, which has responsibilities related to those of the Organization." It allows representatives of the grantee to participate in meetings and committees held by the World Health Organization, without granting the right to vote.
Observer-Dispatch The Observer-Dispatch is the major newspaper for Oneida County, Herkimer County, and parts of Madison County, and also services the greater Central New York area. Based in Utica, New York, the publication is owned by the Gannett Corporation.
Observer-expectancy effect The observer-expectancy effect, in science, is a cognitive bias that occurs when a researcher expects a given result and therefore unconsciously manipulates an experiment or misinterprets data in order to find it. Because it can skew the results of experiments (especially on human subjects), double-blind methodology is used to eliminate the effect.
Observer-Reporter The Observer-Reporter is a daily newspaper covering Washington and Greene Counties in Pennsylvania, with some overlap into the South Hills of Pittsburgh in Allegheny County. The newspaper is published by the Observer Publishing Company in Washington, Pennsylvania.
Observerspace In mathematical physics or theories of the physical world, an observerspace description can be a "literalist", "instrumentational" or "experiental" interpretation of physical phenomenology, where what appears to be happening is taken as physical reality ("what you see is what is there" see also: "logical positivism").
Obsession (film) Obsession is a 1976 psychological thriller/mystery directed by Brian De Palma, starring Cliff Robertson, Geneviève Bujold, and John Lithgow. The screenplay was by Paul Schrader, from a story by De Palma and Schrader.
Obsession (song) "Obsession" is a 1985 song recorded by New Wave synth-dance group Animotion. The song hit number six in the United States, and number five in the United Kingdom in early 1985, helped by a distinct video that received heavy rotation on MTV.
Obsession (Spiritism) Obsession is one of the cornerstones of the religious activity within Spiritism. It is defined by Allan Kardec as the interference of a subjugating spirit on a weaker one and, although usually taken for granted as meaning the negative influence of the spirit of an evil deceased person on the mind of another one that is alive, can occur either way.
Obsession (TOS episode) "Obsession" is a second season episode of Star Trek: The Original Series and was broadcast December 15, 1967. It is episode #42, production #47, written by Art Wallace, and directed by Ralph Senensky.
Obsession: Radical Islam's War Against the West Obsession: Radical Islam's War Against the West, also called Obsession, is a 2005 British documentary movie about Islamist teachings and goals which uses extensive Arab and Iranian television footage; it is the sequel to the documentary Relentless:The Struggle for Peace in the Middle East. Obsession compares the threat of Islamism with that of Nazism before World War II, and observes the parallels between Islamists and the Nazi Party during the War, specifically Adolf Hitler's relationship with the Grand Mufti of Jerusalem as an inspiration for radical Islamic movements in the Middle East today.
Obsessions Obsessions is the second single off the album A New Morning by Suede, released on November 18, 2002 on Columbia Records. Though the single was another disappointment on the charts, the title track is considered a favorite from this era among fans.
Obsessive Relational Intrusion Obsessive Relational Intrusion (ORI) is a term used in criminal psychology research used to describe the willful and continued intrusion into the personal life of a victim by an aspiring or former relational partner. ORI is related to stalking in that it is a milder form of relational harassment, often lacking the characteristic threatening and aggressive behavior normally associated with stalking.
Obsidian Entertainment Obsidian Entertainment, founded and located in Santa Ana, California since 2003 after the disestablishment of Interplay Productions' Black Isle Studios, is an entertainment software developer for PC and console systems. Obsidian continues to operate under management by its founding officers: Feargus Urquhart, Chris Parker, Darren Monahan, Chris Avellone and Chris Jones.
Obsidian use in Mesoamerica Obsidian, a naturally formed glass of volcanic origins, was an important part of the material culture of Pre-Columbian Mesoamerica. Lithic and contextual analysis of obsidian, including source studies, are important components of archaeological studies of Pre-Columbian Mesoamerican cultures and inform scholars on economy, technological organization, long-distance trade and value, ritual organization, and socio-cultural structure.
Obsidius Obsidius was the commander of a Frentanian troop of horse, serving under the consul Laevinus in the campaign against Pyrrhus in 280 BC. He dis­tinguished himself in the battle fought at the river Liris in that year by the daring attempt which he made upon the king's life.
Obstacle avoidance In robotics, obstacle avoidance is the task of satisfying some control objective subject to non-intersection or non-collision position constraints. Normally obstacle avoidance is considered to be distinct from path planning in that one is usually implemented as a reactive control law while the other involves the pre-computation of an obstacle-free path which a controller will then guide a robot along.
Obstacle course An obstacle courses is a series of challenging physical obstacles an individual or team must navigate usually while being timed. Obstacles courses can include running, climbing, jumping, crawling and balancing elements with the aim of testing endurance.
Obstetric Flying Squad An Obstetric Flying Squad is a form of medical retrieval team that is comprised of a obstetrician, anesthetist, mid-wife and other healthcare personnel who are on-call to attend to mothers with major obstetric complications occurring in the community.
Obstetric ultrasonography Obstetric sonography (ultrasonography) is the application of medical ultrasonography to obstetrics, in which ultrasound is used to visualize the embryo or fetus in its mother's uterus (womb). The procedure is often a standard part of prenatal care, as it yields a variety of information regarding the health of the mother and of the fetus, as well as regarding the progress of the pregnancy.
Obstetrical Dilemma The Obstetrical Dilemma refers to the evolutionary development of the human species through a number of biological changes, specifically the shifting of the females' pelvic bones, thereby shortening the fetal incubation period.
Obstetrics Obstetrics (from the Latin obstare, "to stand by") is the surgical specialty dealing with the care of a woman and her offspring during pregnancy, childbirth and the puerperium (the period shortly after birth). Most obstetricians are also gynaecologists.
Obstetrics and gynaecology Obstetrics and Gynaecology (often abbreviated to OB/GYN or O&G) form a single medical speciality and have a combined postgraduate training program. This is quite arduous: in Australia, for example, it is among the longest, six years, matched only by neurosurgery.
Obstructing government administration A person is guilty of obstructing government administration if the person intentionally interferes by force, violence or intimidation or by any physical act with a public servant performing or purporting to perform an official function.
Obstruction of justice Modern obstruction of justice, in a common law jurisdiction, refers to the crime of offering interference of any sort to the work of police, investigators, regulatory agencies, prosecutors, or other (usually government) officials. Often, no actual investigation or substantiated suspicion of a specific incident need exist to support a charge of obstruction of justice.
Obstructionism Obstructionism or policy of obstruction denotes the deliberate interference with the progress of a legislation by various means such as filibustering or slow walking which may depend on the respective parliamentary procedures.
Obstruent In phonetics, articulation may be divided into two large classes, obstruents and sonorants. An obstruent is a consonant sound formed by obstructing outward airflow, causing increased air pressure in the vocal tract.
Obturating ring An obturating ring is a ring of relatively soft material designed to obturate under pressure to form a seal. Obturating rings are often found in artillery and other ballistics applications, and similar devices are are also used in other applications such as plumbing, like the olive in a compression fitting.
Obturator artery The obturator artery passes antero-inferiorly (forwards and downwards) on the lateral wall of the pelvis, to the upper part of the obturator foramen, and, escaping from the pelvic cavity through the obturator canal, it divides into both an anterior and a posterior branch.
Obturator crest The lateral portion of superior ramus of the ischium presents a sharp margin, the obturator crest, which forms part of the circumference of the obturator foramen and affords attachment to the obturator membrane.
Obturator ring The rotary aircraft engines of World War I (engines where the crankshaft was fixed to the airframe and the cylinders rotated) were notoriously difficult to keep cool when operating, concequently the very thin walled steel cylinders became distorted to an unacceptable level. Obturator rings, made of brass, were fitted in order to overcome this out of roundness in much the same way as a leather washer does in a bicycle pump.
Obuasi Obuasi is a city in southern Ghana, lying south of Kumasi. It has a population of 115,564 (2000 census) On the railway line from Kumasi to Sekondi, it is known for its gold mine, now one of the ten largest in the world, gold having been mined on the site since at least the seventeenth century.
Obudu Cattle Ranch The Obudu Cattle Ranch is a cattle ranch and resort located in the highlands of Cross River State in South Eastern Nigeria, only 45 miles from the border with Cameroon. It possesses a temperate climate due to its high altitude.
Obverse and reverse The term obverse, and its opposite, reverse, describe the two sides of units of currency and many other kinds of two-sided objects, most often in reference to coins, but also to medals, drawings, old master prints and other works of art. The terms may respectively be interchanged with the more casual but less precise terms "front" and "back," or (for coins only) "heads" and "tails.
Obversion In traditional logic, obversion is a "type of immediate inference in which from a given proposition another proposition is inferred whose subject is the same as the original subject, whose predicate is the contradictory of the original predicate, and whose quality is affirmative if the original proposition's quality was negative and vice versa".Quoted definition is from: Brody, Bobuch A.
Obviously 5 Believers "Obviously Five Believers" is a song by Bob Dylan which appears on his 1966 album Blonde on Blonde. As with many other Dylan tracks of the 1965-1966 period ("From a Buick 6", "Outlaw Blues"), it is based around a slightly surreal lyric set to a blues-rock accompaniment.
OBC (Barcelona Symphony Orchestra) In 1944, the first stable orchestra was founded in Catalunya, the Barcelona Municipal Orchestra, created by the City Hall and promoted by the Catalan conductor and composer Eduard ToldrĂ . The drive of the personality of Eduard ToldrĂ  at the forefront of the orchestra meant that it consolidated its presence very early in the cultural life of the city.
OBD-II PIDs According to the OBD-II standard, requests to a vehicle's ECU via the OBD-II port are made up of two bytes (excluding header and CRC bytes). The first byte determines the desired mode of operation, and the second byte is the requested parameter identification (PID) number.
OBEX OBEX (abbreviation of OBject EXchange, also termed IrOBEX) is a communications protocol that facilitates the exchange of binary objects between devices. It is maintained by the Infrared Data Association but has also been adopted by the Bluetooth Special Interest Group and the SyncML wing of the Open Mobile Alliance (OMA).
OBO carrier A OBO carrier is a vessel that can trade with both Oil, Bulk and Ore cargoes, hence the name. The idea was that it would function as a tanker when the tanker markets were good and a bulk / ore carrier when these markets were good.
OBO Foundry A subset of ontologies in the Open Biomedical Ontologies library that fulfil certain criteria. OBO Foundry ontologies strive to be orthogonal with respect to one another, and use relations from the OBO Relations Ontology
Ocala National Forest The Ocala National Forest is the second largest National Forest in Florida and covers approximately 607 square miles (389,000 acres) in central Florida. It is located three miles east of Ocala, Florida, 16 miles southeast of Gainesville, Florida, and 18 miles northwest of Orlando, Florida.
Ocala Street and Suburban Railroad The Ocala Street and Suburban Railroad Company was incorporated on July 21, 1888 under the general incorporation laws of Florida. They were granted the exclusive right to operate a street railroad in Ocala, Florida by a town ordinance passed September 18, 1889.
Ocalea (genus) Ocalea is a genus of the rove beetle family Staphylinidae. The group has representatives on the mainland of Europe, in Great Britain, in North America (British Columbia and perhaps other locations), and in New Zealand.
Ocalli District Ocalli is a district of the province of Luya. Cashew spreads from the high mountain towards the shores of the River, with borders to the north with the district of Conila, in the East with Inguilpata, in the southeast with that of Ocumal, in the south-west with the district of Providence, and in the west with Cajamarca.
Occam (programming language) occam is a concurrent programming language that builds on the Communicating Sequential Processes (CSP) formalism, INMOS document 72 occ 45 03 and shares many of its features. It is named after William of Ockham of Occam's Razor fame.
Occam's razor Occam's razor (also spelled Ockham's razor) is a principle attributed to the 14th-century English logician and Franciscan friar William of Ockham. The principle states that the explanation of any phenomenon should make as few assumptions as possible, eliminating, or "shaving off", those that make no difference in the observable predictions of the explanatory hypothesis or theory.
Occaneechi Band of the Saponi Nation The Occaneechi Band of the Saponi Nation are the descendants of the Saponi and other Siouan-speaking Indians who occupied the Piedmont of North Carolina and Virginia. The community is located primarily in Pleasant Grove Township, Alamance County, North Carolina.
Occasion of sin An occasion of sin is, in Roman Catholic teaching, an external set of circumstances--whether of things or persons--which either because of their special nature or because of the frailty common to humanity or peculiar to some individual, incite or entice one to sin.
Occasional Conformity Act The Occasional Conformity Act was an Act of the Parliament of Great Britain (statute number 10 Anne c. 6), the long title of which is "An Act for preserving the Protestant Religion" which passed on 20 December, 1711.
Occident (movement) Occident (1964-1968) was a French far-right violent political group, often described as fascist-leaning. A number of members of Occident later were prominent members of mainstream right-wing parties, and even obtained ministerial positions.
Occidental Occidental means generally "western". It is a traditional designation (especially when capitalized) for anything belonging to the Occident or West — the western part of the classical world (Europe) and the New World, and especially of its society.
Occidental Mindoro Occidental Mindoro (Filipino: Kanlurang Mindoro, “Western Mindoro”; Spanish: Mindoro Occidental) is a province of the Philippines located in the MIMAROPA region in Luzon. Its capital is Mamburao and occupies the western half of the island of Mindoro; Oriental Mindoro is at the eastern half.
Occidental Quarterly The Occidental Quarterly describes itself as "a journal of Western thought and opinion." The journal's name derives from its "devotion to discussing the ethnic, racial and cultural heritage that forms the foundation of Western Civilization [as well as] the contemporary political, social and demographic trends that affect this tradition.
Occidentalism Occidentalism is a term for stereotyped and sometimes dehumanizing views on the so-called Western world, including Europe, the United States, Australia and even modern Japan. The term was popularized by Ian Buruma and Avishai Margalit in their book Occidentalism: the West in the Eyes of its Enemies (2004).
Occipital bone The occipital bone, a saucer-shaped membrane bone situated at the back and lower part of the cranium, is trapezoid in shape and curved on itself. It is pierced by a large oval aperture, the foramen magnum, through which the cranial cavity communicates with the vertebral canal.
Occipital bun Occipital bun is a morphological term used to describe a prominent bulge, or projection, of the occipital bone at the back of the skull. The term is most often used in connection with scientific descriptions of classic Neanderthal crania.
Occipital cryoneurolysis Occipital cryoneurolysis is a procedure used to treat nerve pain generated by peripheral nerves (nerves located outside of the spinal column and skull) commonly due to the condition occipital neuralgia. A probe (no larger than a small needle) is carefully placed adjacent to the specific nerve.
Occipital groove On the medial side of the mastoid process of the temporal bone is a deep groove, the mastoid notch (digastric fossa), for the attachment of the Digastricus; medial to this is a shallow furrow, the occipital groove, which lodges the occipital artery.
Occipital horn syndrome Occipital horn syndrome is a variant of Ehlers-Danlos syndrome. An X-linked recessive disorder, this variant is characterized by a deficiency in biliary copper excretion that causes deformations in the skeleton.
Occipital neuralgia Occipital Neuralgia is a medical condition characterized by chronic pain in the upper neck, back of the head and behind the ears. These areas correspond to the locations of the lesser and greater occipital nerves.
Occipitalis muscle The Occipitalis, thin and quadrilateral in form, arises by tendinous fibers from the lateral two-thirds of the superior nuchal line of the occipital bone, and from the mastoid part of the temporal. It ends in the galea aponeurotica.
Occitan literature Occitan literature -which was erroniously called Provençal literature some decades ago- is a body of works written in Occitan in what is nowadays the South of France. It originated in the poetry of the 11th and 12th centuries.
Occitania national football team The Occitania national football team is the football team of Occitania, which is the name given to areas of Italy, France and Spain where the Occitan language is spoken. It is controlled by the Occitania Football Association, which was founded in 1901.
Occlusive dressing An occlusive dressing is an air- and water-tight trauma dressing used in first aid. These dressings are generally made with a waxy coating so as to provide a total seal, and as a result do not have the absorbent properties of gauze pads.
Occoquan River The Occoquan River flows into the Potomac River at Belmont Bay, and is located in Northern Virginia, along the mid-Atlantic coast of the United States (USA). The river is approximately 20 mi (32 km) long and its watershed covers about 590 square miles (1,528.

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