[Class : 1] Gas Leakage Detecting Liquid; Gas Leakage Preventing Liquid.[Class : 7] Threading Machines; Cutting Machines For Metalworking; Cutting Machines For Woodworking; Chain Saws; Angle Processing Machines; Electric Welding Machines; Cutting Machines For Metalworking; Hydraulic Pump; Compressure; Power Driven Hand Tools For Piping Working; Cutting Tools For Piping Working; Diamond Tools; Diamond Pointed Metal Cutting Tools; Diamond Cut Off Wheels; Cutter For Copper Pipe; Flaring Tools; Expander For Copper Pipes; Bending Machines For Copper Pipes; Drills (Machines Tool); Gas Burners; Reamers (Hand Held); Recovery And Recycle Machines For Refrigerant Of Refregirator For House Use Or Business Use, Air Conditioner, Car Air Conditioner; Manifold; Vacuum Pumps; Lifts, Other Than Ski Lifts; High Pressure Cleaners For Building Machines, Cars, Water Tanks, Conduit Pipe, Walls, Floors, Drain, Agricultural Machines; Cleaning Machines For Pipe And Drain Of Lavatory, Bath Room, Kitchen, Sewer, Factory And Boiler.[Class : 8] Hand Tool For Piping Working, Flaring Tools (Hand Held); Bending Machines (Hand Held).[Class : 9] Electric Arc Welding Apparatus; Vacuum Gauges; Filling And Measures For Refregirant; Refrigerant Leakage Detecting Instruments; Gas Leakage Detecting Instruments; Pipe Inspection Machines With Compact Camera For Drainpipe, Gas Pipe, Water Pipe.