[Class : 6] Common Metals And Their Alloys: Metal Building Materials: Transportable Buildings Of Metal: Materials Of Metal For Railway Tracks: Non Electric Cables And Wires Of Common Metal; Ironmongery, Small Items Of Metal Hardware: Pipes And Tubes Of Metal: Safes: Goods Of Common Metal Not Included In Other Classes: Ores

[Class : 37] Cleaning Services, Namely, Mechanically Removing Scale And Sludge From Tubes In Steam Generators In Nuclear Power Plants, Industrial And Commercial Cleaning Services

[Class : 37] Cleaning Service, Cleaning Of Tanks, Cleaning Of Crude Oil Tanks Through Robot.