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In plumbing, a trap is a U-shaped portion of pipe designed to trap liquid or gas to prevent unwanted flow; most notably sewer gases from entering buildings while allowing waste materials to pass through. In oil refineries, traps are used to prevent hydrocarbons and other dangerous gases and chemical fumes from escaping through drains.
Trap points with a crossing are double trap points where the tongues of rail are longer, so that the trap point rail nearest the main line continues over the siding rail with a common crossing or frog. A trap road with stops is a short dead-end siding leading to some method of stopping a vehicle, such as a sand drag or buffer stop.
In chess, a trap is a move which tempts the opponent to play a bad move. Traps are common in all phases of the game; in the opening , some traps have occurred often enough that they have acquired names.
Search the term #faetrap on TikTok and you'll wind up with thousands of results. In fact, videos tagged with the catchphrase have already drawn more than 25.6 million views.
Log dam in a gully, circa 1935, Missouri, US Log dam in Adawro river, Ethiopia. Check dams are made of a variety of materials. Because they are typically used as temporary structures, they are often made of cheap and accessible materials such as rocks, gravel, logs, hay bales, and sandbags.
Anticlinal trap. An anticline is an area of the subsurface where the strata have been pushed into forming a domed shape. If there is a layer of impermeable rock present in this dome shape, then water-insoluble hydrocarbons can accumulate at the crest until the anticline is filled to the spill point (the highest point where hydrocarbons can escape the anticline).
A fishing weir, fish weir, fishgarth [1] or kiddle [2] is an obstruction placed in tidal waters, or wholly or partially across a river, to direct the passage of, or trap fish. A weir may be used to trap marine fish in the intertidal zone as the tide recedes, fish such as salmon as they attempt to swim upstream to breed in a river, or eels as ...
The trap can either be collapsible or rigid, and is easily placed at any depth since it needs no anchoring. Katiska are commonly used in hobby fishing, since they catch only a small number of fish. The photo shows a fisherman checking a katiska. Lobster pot: A lobster pot is a portable trap used to trap lobsters or crayfish. An opening permits ...