9 Electrical and electromechanical apparatus for use in bowling alleys for bowling pin spotting and respotting machines, bowling alley electrical scoring equipment, namely sensors, processors, computers, and electrical display apparatus, and parts thereof; namely, pin fall signaling, indicating units, and control units; masking units to hide electrical and electrical mechanical apparatus; inverters, electric motors for machines, sensors, converters, electrical controllers and parts thereof, ball accelerators, ball lifts, bin setter masking unit relays and time delays; manually magnetically and electronically operated switches, sensors, low noise amplifiers and battery chargers, foul detector sensors, Computers, computer peripherals, computer keyboards, computer monitors and computer programs for use in the operation of a bowling establishment, namely, bowling game management, cash register management, score-keeping management and management of related business data