barrier sheet
61dam — 1. Any barrier to the flow of fluid. 2. In surgery and dentistry, a sheet of thin rubber arranged so as to shut off the part operated upon from the access of fluid. [A.S. fordemman, to stop up] post d. SYN: posterior …
623D film — For more information on 3D film titles, see List of 3 D films. A 3 D (three dimensional) film or S3D (stereoscopic 3D) film[1] is a motion picture that enhances the illusion of depth perception. Derived from stereoscopic photography, a… …
63Terra Nova Expedition — Scott s party at the South Pole, 18 January 1912. L to R: (standing) Oates, Scott, Wilson; (seated) Bowers, Edgar Evans The Terra Nova Expedition (1910–1912), officially the British Antarc …
64Hydrogen peroxide — IUPAC name …
65Bedbug — Taxobox name = Bedbug image width = 250px image caption = Cimex lectularius regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hemiptera subordo = Heteroptera familia = Cimicidae familia authority = Kirkaldy, 1909 subdivision ranks =… …
66Bisphenol A — Bisphenol A IUPAC name …
67Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
68art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
69Gaza Strip — This article is about the geography, demographics, and general history of the Gaza Strip. For the geopolitical area, see Palestinian territories. For other uses, see Gaza (disambiguation). Gaza Strip قطاع غزة Qiṭāʿ Ġazzah …
70Blister pack — is a term for several types of pre formed plastic packaging used for small consumer goods.The two primary components of a blister pack are a pre formed plastic blister and a printed paperboard card which has a heat seal coating. Some packs use a… …
