Battery Collar Fence Invisible
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A battery (vacuum tubes) - In electronics, an A battery is any battery used to provide power to the filament of a vacuum tube. It is sometimes colloquially referred to as a "wet battery" (although there's no reason why a "dry" battery of suitable voltage couldn't be utilised for the purpose) The ...
B battery (vacuum tubes) - In electronics, a B battery is any battery used to provide the plate voltage of a vacuum tube. It is sometimes colloquially referred to as a "dry battery" (although there's no reason why a "wet" battery of suitable voltage couldn't be utilised for the purpose) The term ...
False-collar - The false collar is a detachable collar fastened by two metal studs, one attached at the front and one at the back to hold the collar to the shirt. Using a false collar allows the shirt to be washed without the special washing a starched collar requires.
Blue-collar worker - Blue-collar is a term used in the USA for what some refer to as the working class. A blue-collar worker is differentiated from white-collar and service employees, in that the blue-collar worker earns an hourly wage (as opposed to the white-collar salary) and performs manual labor (as opposed to the service-industry worker).
