Classification Information
ELECTRICAL APPARATUS AND INSTRUMENTS FORMEASURING, SIGNALLING AND CHECKING
Electrical and Scientific ApparatusINSTALLATIONS AND APPARATUS FOR LIGHTING, HEATING, STEAM GENERATING, COOKING, REFRIGERATING, DRYING, VENTILATING, WATER SUPPLY AND SANITARY PURPOSES, REGULATING AND SAFETY ACCESSORIES FOR THE ABOVE INSTALLATIONS AND APPARATUS
Environmental Control ApparatusPLANNING ASSEMBLING, INSTALLING, SERVICING, MAINTAINING AND REPAIRING OF THE ABOVE ISTALLATIONS, APPARATUS AND INSTRUMENTS
Building Construction and Repair