Electronic apparatus including automated electronic apparatus for controlling unattended self-service dispensing of motor fuels, motor oils and coolants; electronic apparatus for recording, displaying and providing a computer printout of the amount of motor fuels, motor oils, and coolants dispensed; automated electronic controls for waste compactors and electronic apparatus for computing and recording individual usage of waste compactors; apparatus for recording fuel consumption data and providing a printout of such data; automated control and metering apparatus for the dispensing of liquids; automated electronic apparatus for controlling access to locked areas; automated apparatus for recording time and for providing a printout of time-measured data, and all other goods in this class.