Machines, Tools, Equipment and Work Aids which may be representative, but not all inclusive, of those commonly associated with this type of work: Trucks, calculators, adding machines, computer keyboards and terminals, fax machines, copiers, and hand trucks. Machines, Tools, Equipment and Work Aids which may be representative, but not all inclusive, of those commonly associated with this type of work: Trucks, calculators, adding machines, computer keyboards and terminals, fax machines, copiers, and hand trucks.