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A window screen (also known as insect screen, bug screen, fly screen, flywire, wire mesh, or window net) is designed to cover the opening of a window. It is usually a mesh made of metal, fibreglass , plastic wire, or other pieces of plastic and stretched in a frame of wood or metal.
A net with a rectangular mesh, supported by static posts, placed on top a rockfall protection embankment. (Gothard pass, Switwerland) When the rock block kinetic energy is less than 500 kJ, a static barrier is often adapted. In general, it consists of static posts, cables and an interception net.
Agricultural woven wire is identifiable by wire "knots" wrapped around each intersecting wire. Mesh wire material is spot welded at each junction. Woven wire and mesh wire fences are also called square wire, box wire, page wire, sheep fence, or hog fence in the United States, sheep netting or pig netting in Britain, and ringlock in Australia.
The plastic debris sampled is determined by net mesh size, with similar mesh sizes required to make meaningful comparisons among studies. Floating debris typically is sampled with a neuston or manta trawl net lined with 0.33 mm [0.013 in] mesh. Given the very high level of spatial clumping in marine litter, large numbers of net tows are ...
Small passerines are typically captured with 16-30 mm mesh, while larger birds, like hawks and ducks, are captured using mesh sizes of ~127 mm. Net dimensions can vary widely depending on the proposed use. Net height for avian mist netting is typically 1.2 - 2.6 m. Net width may vary from 3 to 18 m, although longer nets may also be used.
An anti-submarine net or anti-submarine boom is a boom placed across the mouth of a harbour or a strait for protection against submarines. Net laying ships would be used to place and remove the nets. The US Navy used anti-submarine nets in the Pacific War to protect major US Naval Advance Bases. Some net cutter submarines were used in the war ...