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A trap primer (or trap seal primer) is a plumbing device or valve that adds water to traps.The water seals in traps are needed to prevent sewer gases from entering buildings, but because this water is exposed to the air, it is subject to evaporation over time in infrequently used floor drains, leading to the release of sewer gas into the environment.
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.
In American football, a trap run or trap play is a run consisting of a defender on the line of scrimmage (either a defensive tackle or defensive end) getting trap blocked by an offensive lineman or back from the opposite (other side of the center) side of the ball. The play is known as a "trap" because the strong side offensive lineman will ...
A bullet trap (or pellet trap when used specifically for air guns) is a device to stop and collect projectiles fired at a shooting range to prevent overpenetrations and stray shots. Bullet traps typically use friction , impact or gradual deceleration to stop bullets.
Size comparison between a rat trap (above) and a mousetrap (below). Similar ranges of traps are sized for to trap other animal species; for example, rat traps are larger than mousetraps, and squirrel traps are larger still. A squirrel trap is a metal box-shaped device that is designed to catch squirrels and other similarly sized animals.
The San Francisco 49ers’ running back problems aren’t getting any better. 49ers head coach Kyle Shanahan confirmed Monday that Isaac Guerendo sustained a foot sprain in Sunday’s 38-13 win ...
For the second week in a row, football fans and fantasy managers had a glorious snow-globe game to enjoy. While the Buffalo Bills didn't get any defensive touchdowns, they allowed a week-low 10 ...
A bottle of Milk Makeup Hydro Grip Primer is $38, while e.l.f. Power Grip Primer is $10. (Even the mini size of Milk’s is much more expensive than a regular-size e.l.f primer.)
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