Unwrought or semi-wrought iron, iron alloys and steel, all for use in the manufacture of building materials, and [machines,] vehicles [and containers]; steel in sheet, pipe, tube, plate, bar, billet, bloom, slab and rail form; [scraps of steel alloys for use in the manufacture of re-rolled steels and steel alloys;] [ ingots of titanium alloys; semi-wrought titanium for use in the manufacture of building materials ][and machines; casting titanium and titanium alloys; titanium and titanium alloys in foil, powder and sheet form]; building materials of metal and materials of metal for construction, namely, [stair treads, guardrails, wall linings, pilings, gratings, tunneling materials, namely, tunnel liners applied to the inner surface of a vehicle and railroad tunnel and applied to a mine tunnel to maintain dimensions and safe working conditions, fences, shutters,] water pipes, [tiles, frames for building, shelves, hinges, handrails, ceilings, ceiling ornaments, poles for electric lines, gutters, gutter holders, doors, pillars for building,] building panels, [beams for building, wire gratings, wire fences, fire doors, windows, window handles, window frames, window pulleys, manhole covers, gates, barbed wire, floors, and rockslide retention nets; nails, wedges, washers, nuts, screws, plugs,] bolts, [and rivets, all made of metal; prefabricated metal buildings; fluid storage tanks, water storage tanks for industrial use, liquid gas storage tanks, and gas storage tanks,] all made of metal[; floating aluminum inner lids for gas or liquid gas tanks; metal containers for the storage of goods; tin cans, sold empty; collapsible metal tubs;] metal containers for the storage of compressed gas; [metal storage drums; loading pallets of metal; cargo handling turn-tables of metal; artificial fish-gathering reefs of metal;] pipe couplings and joints of metal; flanges of metal; wire rope

[Metalworking machines and tools, namely, punching machines, shaping machines, sawing machines, grinding machines, perforating machines, cutting machines, lathes, slotting machines, boring machines, threading machines, nut-tapping machines, gear cutting and finishing machines, milling machines, broaching machines, planing machines, horning machines, drilling machines, lapping machines, rolling mills, tube mills, wire extruders, wire drawing machines, mechanical presses, manual presses, water hydraulic presses, shearing machines, forging machines, bending machines, hydraulic presses and wire forming machines; gas-operated welding machines, oxy-acetylene welding and cutting machines and electric welding machines; [ die-cuffing ] * die-cutting * and stamping machines and dies for use with machine tools; mine-working machines, namely, boring machines; machines for use in construction, namely, rams; cranes, conveyors, winches and hoists; power-operated lifts and conveyors for moving and storing goods and cargos; machines and apparatus for use in the chemical and petrochemical plant, namely, presses, agitators, absorbers, mixing machines, dust collectors, sintering machines, calcining machines, scrubbers, separators, sifters, granulators, extractors, emulsifiers, kneading machines, roasters, crushing machines, reaction vessels, partial condensers, grinding mills, dissolvers, and filtering machines; machines for manufacturing semi-conductors; centrifugal pumps, reciprocating pumps, rotary pumps, axial flow pumps, mixed flow pumps and vacuum pumps; blowers for machines; compressors for machines; car-parking machines, mechanically operated car-parking installations, namely, lifts for parking cars and storing them for parking purposes; painting machines; waste crushing, shredding and compacting machines; shaft couplings, not for land vehicles; transmission gears for machines]

[Thermometers for industrial use; testing apparatus and instruments, not for medical use, namely, surface roughness testers and flatness testers; automatic control apparatus and instruments, namely, electric controls for use in automatically controlling temperature and/or combustion in industrial operation; electron-magnetic measuring apparatus and instruments, namely, magnetic object detectors, ultrasonic depth sounders and ultrasonic flaw detectors; computers and computer peripherals; computer programs for use in data processing, for use in data base management, and for use in controlling automatic operation of iron works and chemical plants; electronic circuit boards; integrated circuits; electric arc welders and cutters, level controlling valves in tanks; automatic controls for the operation of arc furnaces in the ironworks]

[Furnaces for industrial use; furnace boilers; desiccating units and desiccators, all for industrial use; heat regenerators and heaters, all for industrial use; steam generators; evaporators for industrial use; distilling units; heat exchangers; air conditioners and air conditioning units; water purification units; waste water purification tanks; sewage disposal tanks; sewage disposal and treatment plants; faucets for water pipes; pipe line cocks; garbage incinerators; units and plants for the destruction, incineration, disposal, treatment and/or recycling of wastes, ooze, garbage and trash; units and plants for fermenting garbage, organic wastes, urine, ooze and sludge to manufacture fertilizers; drying machines]

[Construction and repair of buildings, factories and plants; Pipeline installation and repair;] Machinery installation; [Drilling of wells; Installation and repair of electric sidewalks; Installation and repair of furnaces for industrial use;] Providing information of building construction; Construction supervision; Maintenance and repair of [machines and apparatus for use in the chemical plants, car-parking machines and installations,] metalworking machines and tools, [mine-working machines, water purification units and installations, measuring apparatus and instruments,] air conditioning apparatus and installations, [burners, boilers, pumps, freezers, storage tanks, telecommunication machines and apparatus, computers, computer peripherals, electrical distribution or control machines and instruments, painting machines, machines for use in construction, machines and apparatus for crushing, shredding and compacting of wastes, machines and equipment for manufacturing semi-conductors and integrated circuits, plastics processing machines, motors, machines and instruments for use in amusement parks, water drainage installations, machines and apparatus for separating and treating of trash and industrial wastes, and bath tubs;] Planning and supervision for [building, factory and plant construction, for furnace installation, for] pipeline installation and for machinery installation[; Chimney sweeping; Cleaning of building exterior surfaces; Window cleaning; Carpet and rug cleaning; Floor polishing; Septic tank cleaning; Storage tank cleaning]