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Common metals and their alloys; building materials of metal, namely, pipes, pipe fittings and sight glass fittings; transportable buildings of metal; non-electric cables and wires of metal; ironmongery and small items of metal hardware, namely, metal valves included in this class and not being parts of machines; pipes of metal; goods of common metal not included in other classes, namely, pipes, pipe fittings, sight glass fittings, metal joinery fittings, metal valves; hardware of metal in the nature of T-junctions for pipes, prefabricated small metal building assembly kits, reservoirs of metal, industrial packaging containers of metal, drain pipes, stock pipes, down pipes in the nature of down spouts, nails, screws, bolts, pipe sleeves in the nature of metal pipe collars, metal pipe collars, all-purpose metal straps, branching pipes of metal, branching tubes of metal for pipelines, junctions of metal for pipes, manifolds of metal for pipelines, metal elbows for pipes, metal expansion joints for piping and ducting, metal penstock pipes, metal pipe connectors, pipe couplings of metal, reinforcing materials of metal for pipes and sight glass fittings; valves of stainless steel, other than parts of machines, included in this class; valves of metal other than parts of machines, included in this class; metal valves included in this class and not being parts of machines for gaseous, liquid and pumpable fluids; metal valves included in this class and not being parts of machines for use in the beverages and foodstuffs industry as well as for the pharmaceutical, chemical and food industries; manually operated metal valves not being parts of machines used as connection and retaining valves for tanks and containers, tank bottom valves and retaining valves for tanks; storage tanks of metal; metal pipes and metal elbows for tubes and conduits; metal pipeline scrapers, metal pipeline scraper stoppers, and metal pipeline scraper sending and receiving stations in the nature of sections of metal pipes for launching and housing pipeline scrapers; penstock pipes of metal; pipe muffs, pipe clips and flanges of metal; metal accessories for the aforementioned products, namely, T-junctions for pipes

Machines and machine tools, namely, pipeline cleaning machines and machine tools for pipeline cleaning in the nature of pipeline pigs; motors and engines other than for land vehicles; valves and valve housings being parts of machines; valves being parts of machines for gaseous, liquid and pumping fluids; valves being parts of machines for use in the beverages and foodstuffs industry, as well as the pharmaceutical, chemical and food industries; connection valves and retaining valves being parts of machines for use with tanks or containers; parts and accessories of machines, particularly, pressure valves, pressure reducing valves, electric valves, hydraulic valve actuators, and pneumatic valve actuators; parts of pipeline cleaning machines in the nature of attachments and pipeline inserts for use with power-operated pipeline cleaning machines, namely, orbital cleaning devices with brushes, wipers, or skimmers, rotary cleaning devices with brushes, wipers, or skimmers, and non-rotating cleaning devices with brushes, wipers or skimmers; parts of pipeline cleaning machines, namely, pipeline scrapers, pipeline scraper stoppers and pipeline scraper sending and receiving stations that house and launch pipeline scrapers; machines and apparatuses for cleaning pipelines; machines and apparatuses for operating pipeline scraper systems, namely, pneumatic and hydraulic controls used for operating hydro-thrust or gas-thrust pipeline cleaning units and their associated sending and receiving stations; valves of stainless steel as parts of machines

Control station system for pipeline scraping systems, namely, stations comprised of electronic sensors and computer hardware for launching and receiving pipeline pigs that are used to inspect, scrape, clean and recover liquid or semisolid pumpable fluids from pipelines as used in the beverages and foodstuffs industry, as well as the pharmaceutical, chemical and food industries

Plastic products not included in other classes, namely, non-metallic plastic valves other than parts of machines and included in this class; plastic valves included in this class and not being parts of machines for gaseous, liquid and pumpable fluids; plastic valves included in this class and not being parts of machines for use in the beverages and foodstuffs industry as well as for the pharmaceutical, chemical and food industries; non-metal valves for containers included in this class in the nature of connection and retaining valves for tanks and containers, tank bottom valves, and retaining valves for tanks; any non-metallic product associated with pipeline scrapers, pipeline scraper stoppers, and pipeline scraper sending and receiving stations included in this class, namely, plastic storage tanks