Unwrought and partly wrought common metals and their alloys; anchors, rolled and cast building materials; rails and other metallic materials for railway tracks; chains except drivingchains for vehicles; cables and wires (non-electric); locksmiths' work; metallic pipes and tubes; steel balls; silos included in this class; metal paint spraying booths

Installations for lighting, heating, refrigerating, drying, ventilating, pollution control, including apparatus for conditioning and treatment of air or other gases by heating, cooling, humidifying and dehumidifying, heat or moisture exchange and cleaning, channels and ducts incorporated in such apparatus; water recooling systems, heat and chemical recovery systems, waste sorting systems; dust collectors, dynamic collectors; airborne refuse conveying installations; heat exchangers not being parts of machines; warm air furnaces; fans, not for personal use, blowers, ventilators, air grilles, air valves, air dampers, air diffusers; dry or wet filters and separators, fabric filters, all being parts of the aforementioned installations; scrubbing apparatus, gas cleaning equipment; electrostatic precipitators; dryers in this class for lumber, veneer, board sheets, cellulose, and other fibrous Materials including paper, cardboard, grain; seed cleaning plants; grain storage facilities; aspirators; flash-dryers; central vacuum cleaning systems

Services in this class namely, designing lighting, heating refrigerating, drying, ventilating and pollution control installations, grain storage facilities, machines, machine tools, scientific and electrical apparatus and instruments, computer programmes and contracting computer programmes

Scientific, nautical, surveying and electrical apparatus andinstruments, weighing, measuring, signalling, metering, checking (supervision) and detection apparatus and instruments, including parts and fittings in this class for all of the aforesaid goods; computer programmes

Building materials in this class, natural and artificial stone, cement, lime, mortar, plaster and gravel; pipes of earthenware and cement; portable buildings in this class; silos included in this class

Installations for lighting, heating, refrigerating, drying, ventilating, including apparatus for conditioning air to other gases by heating, cooling, humidifying and dehumidifying, heat or moisture exchange and cleaning; channels and ducts incorporated in such apparatus; airborne conveying installations; heat exchangers not being parts of machines; warm air furnaces; fans, not for personal use; blowers, ventilators, air grilles, air valves, air dampers; air diffusers, dry or wet filters and separators, all being parts of the aforementioned installations; electrostatic precipitators; drying in the class for lumber, veneer, board sheets, cellulose, and other fibrous materials including paper, cardboard, grain; flash-dryers.

Installations for lighting, heating, refrigerating, drying, ventilating, including apparatus for conditioning air or other gases by heating, cooling, humidyfying, dehumidifying, heat or moisture exchange and cleaning channels and ducts incorporated in such apparatus, airborne refuse conveying installations. heat exchangers not being parts of machines, warm air furnaces, fans, blowers, ventilators, air grilles, air valves, air dampers, air diffusers, dry or wet filters or separators; electrostatic precipitators. Dryers for lumber, veneer, board sheets, cellulose, and other firbrous materials inlcuding paper, cardboard, grain, flash-dryers

Apparatus and installations for ventilating, heating, cooling, drying, humidifying, dehumidfying and cleaning, including electrical cleaning apparatus included in this class; heat exchangers (not being parts of machines) for air and/or other gaseous media; ventilators; air supply and discharge valves; dampers for ventilating plants; ducts and channells for ventilating plants; dryers and conditioning plants for drying, moistening, demoistening and hardening, for treating cellulose and other fibrous materials, paper, cardboard carton, disintegrated cellulose, grain, lumber, veneer and board.

Centrifugal separators; machines and apparatus included in Class 7, all utilizing air flow, air cushion, air pressure, or suction techniques and all for use in conveying and precipitating fibrous or particle-shaped material