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a cashbox with an adding machine to register transactions; used in shops to add up the bill

a strongbox for holding cash

a calculator that performs simple arithmetic functions

any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.

an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.

a duct that provides ventilation (as in mines)

a device that preserves information for retrieval

an electronic memory device