37 Installation, maintenance, and repair of apparatus and systems used for the collection, storage, disposal and the pneumatic transportation of solid wastes and/or soiled linens within or between buildings, facilities, and developments; technical support services, namely, technical support related to the repair of apparatus and systems used for the collection, storage, disposal and the pneumatic transportation of solid wastes and/or soiled linens within or between buildings, facilities, and developments; installation, maintenance, and repair of pneumatic transporters comprising tubing; installation, maintenance, and repair of blowers and diverters; installation, maintenance, and repair of computer hardware, namely, microprocessor controls