Oil changers for road vehicles sold as a unit, namely, reversible pump and motor, filter relocation adapters, switch and control valve sold directly to truck fleet owners, and not primarily to the public

computer software in the computer-aided design, drafting and engineering fields and instructional manuals sold as a unit therewith

ELECTRONIC CHANGEMAKING UNIT WHICH HAS THE CAPABILITY TO MAXIMIZE THE ACCEPTANCE OF MONEY BY EVALUATING ALL POSSIBLE CHANGE COMBINATIONS