barrier action

  • 1Barrier transfer machine — Barrier transfer machines, also known as Zipper Machines, are heavy vehicles used to transfer Jersey barriers or other concrete lane dividers used to relieve traffic congestion during rush hours. The vehicle contains an S shaped channel in its… …

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  • 2Action Park — was a waterpark/motor themed park open from 1978 to 1996 in Vernon Township, New Jersey, on the property of the former Vernon Valley / Great Gorge ski area, today Mountain Creek. It featured three separate attraction areas: an alpine slide;… …

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  • 3Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… …

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  • 4barrier — noun Etymology: Middle English barrere, from Anglo French, from barre bar Date: 14th century 1. a. something material that blocks or is intended to block passage < highway barriers > < a …

    New Collegiate Dictionary

  • 5barrier — /ˈbæriə / (say bareeuh) noun 1. anything built or serving to bar passage, as a stockade or fortress, or a railing. 2. any natural bar or obstacle: *Blaxland, Wentworth and Lawson had found a way over the blue barrier that had pinned the settlers&#8230; …

  • 6barrier beach — noun see barrier I, 2b * * * a sand ridge that rises slightly above the surface of the sea and runs roughly parallel to the shore, from which it is separated by a lagoon. * * * barrier beach, a long, thin sand ridge built by the action of waves&#8230; …

    Useful english dictionary

  • 7barrier island — noun Date: 1943 a long broad sandy island lying parallel to a shore that is built up by the action of waves, currents, and winds and that protects the shore from the effects of the ocean …

    New Collegiate Dictionary

  • 8Environmental threats to the Great Barrier Reef — The Great Barrier Reef is the world s largest coral reef system,cite web|author=UNEP World Conservation Monitoring Centre |year=1980|title=Protected Areas and World Heritage Great Barrier Reef World Heritage Area|url=http://sea.unep&#8230; …

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  • 9Israeli West Bank barrier — The Israeli West Bank barrier is a barrier being constructed by Israel consisting of a network of fences with vehicle barrier trenches surrounded by an on average 60 meters wide exclusion area (90%) and up to 8 meters high concrete walls&#8230; …

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  • 10Great Barrier Reef Marine Park — Infobox protected area of Australia | name = Great Barrier Reef Marine Park iucn category = VI caption = locator x = 235 locator y = 55 nearest town or city = coordinates = coord|18|34|4|S|148|33|19|E|type:landmark region:AU area = 345,400 km²&#8230; …

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