37 [ INSTALLATION, MAINTENANCE AND REPAIR OF CLEANING MACHINES, NAMELY, OIL-SCRUBBING APPARATUS FOR THE USE ON COOLANTS AND LUBRICANTS INCLUDING OIL AND SIMILAR FLUIDS CONTAINING OIL, DEGREASER MACHINES FOR THE CLEANING OF MACHINES, INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS, SUCTION PUMPS FOR REMOVING OIL, WATER, LUBRICANTS, COOLANTS AND CHIPS FROM MECHANICAL COMPONENTS OF MACHINES, INSTRUMENTS AND TOOLS, ELECTRIC CLEANING MACHINES AND APPARATUS FOR THE CLEANING OF MACHINES, INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS, SEPARATORS FOR THE CLEANING OF MACHINES, INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS, COMPRESSED AIR PUMPS FOR THE CLEANING OF MACHINES, INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS, DRYERS FOR THE REMOVAL OF WATER AND OTHER CLEANING AGENTS FROM MACHINES, INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS; RENTAL OF CLEANING MACHINES, NAMELY, OIL-SCRUBBING APPARATUS FOR THE USE ON COOLANTS AND LUBRICANTS INCLUDING OIL AND SIMILAR FLUIDS CONTAINING OIL, DEGREASER MACHINES FOR THE CLEANING OF MACHINES, INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS, SUCTION PUMPS FOR REMOVING OIL, WATER,LUBRICANTS, COOLANTS AND CHIPS FROM MECHANICAL COMPONENTS OF MACHINES, INSTRUMENTS AND TOOLS, ELECTRIC CLEANING MACHINES AND APPARATUS FOR THE CLEANING OF MACHINES,INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS,SEPARATORS FOR THE CLEANING OF MACHINES, INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS, COMPRESSED AIRPUMPS FOR THE CLEANING OF MACHINES, INSTRUMENTS AND [TOOL SAND] * TOOLS AND * THEIR MECHANICAL COMPONENTS, DRYERS FOR THE REMOVAL OF WATER AND OTHER CLEANING AGENTS FROM MACHINES INSTRUMENTS AND TOOLS AND THEIR MECHANICAL COMPONENTS ]