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The M44 cyanide device (also called a cyanide gun, cyanide trap, or canid pest ejector) is used to kill coyotes, feral dogs, and foxes. It is made from four parts: a capsule holder wrapped with cloth or other soft material, a small plastic capsule containing 0.88 grams of sodium cyanide , a spring-powered ejector, and a 5–7 inches (130–180 ...
Adam and Jamie filled a fishtank with sulfur hexafluoride, a gas six times denser than air, and placed a foil boat in it. The resulting buoyancy force was enough to keep the boat from sinking to the bottom. They then filled a small cup with the sulfur hexafluoride from the tank and poured it on top of the foil boat, which did then sink under ...
A typical calibration schedule for a portable gas detector is a daily "bump test" accompanied by a monthly calibration. [17] Almost every portable gas detector requires a specific calibration gas In the US, the Occupational Safety and Health Administration (OSHA) may set minimum standards for periodic recalibration. [citation needed]
A hydrostatic test is a way in which pressure vessels such as pipelines, plumbing, gas cylinders, boilers and fuel tanks can be tested for strength and leaks. The test involves filling the vessel or pipe system with a liquid, usually water, which may be dyed to aid in visual leak detection , and pressurization of the vessel to the specified ...
In 1994, Hamas claimed responsibility for a car in Israel packed with nails and propane gas that exploded, killing the driver and seven people at a bus stop. [5] During the Columbine High School massacre, Harris and Klebold planted two 20-pound (9.1 kg) propane bombs in the school cafeteria. The plan was to kill as many students as possible in ...
Kent Horvath is a scientist, trying to invent a new pesticide, specifically for yellow jacket wasps. He tests its effectiveness out on eight yellow jackets, finding that it successfully kills six, but the two who survived now have extremely high pheromone levels, resulting in increased aggression. That night, the janitor accidentally releases ...