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In 1987, it began doing business under the name Sentry Group, in order to better identify the company with its trademark name safes — "Sentry". Sentry Group produces more fire-resistant chests, safes, security storage containers, and gun safes than any other company in the world [ citation needed ] and has won several awards, including ...
The alkaline battery gets its name from the replacement of the acidic ammonium chloride of zinc–carbon batteries with potassium hydroxide, which is an alkaline. Alkaline batteries are considerably more efficient, more environmentally friendly, and more shelf-stable than zinc–carbon batteries—five to ten years, when stored room temperature ...
Low-end electronic fire-safes, such as those used in hotels or for home use, are locked with either a small motor or a solenoid. If the wires running to the device (solenoid or motor) can be accessed, the device can be 'spiked' with a voltage from an external source - typically a 9 volt battery - to open the container.
Battery – Consists of six Artillery pieces, Guns Platoon (cannoneers), & HQ Platoon (support & logistics). Equivalent to an Infantry "Company". Battery Operated Grunt – combat radio operator. Battle Blaze – original name for the 1st & 2nd Marine Division shoulder sleeve insignias commemorating service in the Battle of Guadalcanal.
A 2021 scientific study showed that the Tesla Model S is a profitable commercial battery pack for recycling due to its low disassembly costs and high revenues from cobalt recovery. [211] The materials scientist Dana Thompson from the University of Leicester cautions that the recycling of batteries may pose significant hazards.
A sentry gun is a weapon that automatically aims and fires at targets that are detected by sensors. The earliest functioning military sentry guns were the close-in weapon systems point-defense weapons, such as the Phalanx CIWS , used for detecting and destroying short range incoming missiles and enemy aircraft, first used exclusively on naval ...