Metal parts for adjusting boilers and piping systems and shut-off and throttling devices for adjusting piping systems, namely, slide valves, valves and cocks all sold as integral components of the boilers and their piping systems not being parts of machines; all these goods being of metal

Measuring, signaling and monitoring instruments, namely, liquid level indicators, fluid measuring level gauges and fluid level indicators

Regulating accessories for water and gas apparatus and pipes, namely, taps; plumbing fittings, namely, steam traps

Waterproof packings in the form of plates, rings and shaped parts for heat radiation protection and vibration suppression; asbestos, namely, fabrics, knitted fabrics and non-woven fabrics mostly made of asbestos; rubber products, namely, plates, blocks, bevels, balls, pipes, shaped and molded parts for use in buildings, bridges and roadways