COOLING DEVICES AND INSTALLATIONS NAMELY, REFRIGERATED CONTAINERS REFRIGERATION CHAMBERS, REFRIGERATORS,REFRIGERATION SYSTEMS FOR LIQUIDS AND AIR, NAMELY WATER COOLERS AND AIR CONDITIONERS, REFRIGERATION UNITS FOR USE IN REFRIGERATING TOBACCO, FOR USE IN REFRIGERATING MILK AND WATER; HEATING INSTALLATIONS NAMELY SOLAR HEATERS, SOLAR CELLS, SOLAR POWERED HEATERS, COOLERS, AND AIR CONDITIONERS