11 SPAS IN THE NATURE OF HEATED POOLS, WHIRLPOOL TUBS, SAUNAS, ULTRAVIOLET SUN TANNING LIGHTS, WATER HEATING, PURIFICATION, AND DISTRIBUTION SYSTEMS FOR PRIVATE AND COMMERCIAL USE COMPRISING PUMPS, BOILERS, AIR CURLING MACHINES, HYDRANTS, ANTI-SPLASH NOZZLES, PIPE LINE COCKS, TAPS, MIXER TAPS, SAFETY ACCESSORIES, REGULATORS, FILTERS, HEAT EXCHANGERS, HEATING RADIATORS, SHOWERS, BATHS, AND BATH LININGS, EACH SYSTEM RESPECTIVELY BEING SOLD AS A UNIT, STEAM PRODUCING SYSTEMS COMPRISING HYDROXEURS, STEAM ACCUMULATORS, FILTERS, AND PIPES SOLD AS A UNIT, AND HOT AIR APPARATUS INTENDED TO DRY A BODY AFTER SHOWERING OR BATHING AND TO DRY NOSE CAVITIES.