BUTTING

[ Common metals and their alloys in the form of coils, bars and plates; metal building materials, namely, tiles, blocks and posts; transportable buildings of metal; metal bollards; ] [ high water protection metal barrier and flood gate metal panels; ] goods of common metal, namely, piping spools, pipe reactors, line pipes for gas and chemical tankers, [ vessels, clean out and inspection ports, riser pipes and casings; pipes and tubes of metal; ] metal fittings for pipes, namely, flanges, collars, elbows, teeth [, reducers, nipples, sockets, plugs, threaded joints and stub ends ]

Building construction supervision; installation of pipes and containers in the nature of product line pipes, piping spools, pipes for carrying pulp, pulp tubs, water vessels, vacuum vessels

Assembly of products for others, especially bending of pipes and sheet metal; heat treatment of pipes made continuously from coil; metal treatment, metal tempering, metal plating, metal surface finishing, anodic treatment, electroplating, [ metal treatment, namely, phosphating and ] treatment to prevent corrosion, steel ball and glass bead blasting

Calibration of pipes; architectural and construction drafting; technical consultation in the field of architecture; engineering drawing