Drain traps being valves of metal; water-pipe valves of metal; valves of metal, other than parts of machines; manually operated metal valves, other than parts of machines; metal pulleys, springs and valves, not including machine elements; metals and metal alloys; common metals, unwrought or semi-wrought; couplings and joints of metal for pipes; pulleys of metal, other than for machines; ores of metal; iron ores; chrome ores; cobalt ores; manganese ores; molybdenum ores; nickel ores; lead ores; copper ores; tin ores; tungsten ores; zinc ores; galena ores; valves of metal, other than parts of machines, made from alloy steel and titanium; cable joints of metal, non-electric; metal expansion joints for floors and walls; metal expansion joints for piping and ducting; couplings of metal for fire hoses

Belts for machines; dredging machines; construction machines, namely, bulldozers; forging machines; photoengraving machines; engines for boats; injection plastic molding machines; hydraulic machines, namely, jacks; couplings for machines; shaft couplings for machines; bearing housings for machines; shock absorbers for machines; connecting rods for machines, motors and engines; connecting rods for machines; power transmission belts for machines; bearings for machines; filters for oil and gas pipeline machines; brake linings for machines; bearing inserts for machines; mechanical seals being parts of machine parts; metal cutting machines; bending machines for metalworking; shredders being parts of machines for industrial use; planing machines for metalworking; bearings for transmission shafts, being parts of machines; clack valves, being parts of machines; hydraulic valve actuators; pneumatic valve actuators; dosing valves being parts of machines; valves being parts of machines; exhaust gas recirculation (EGR) valves for motors and engines; positive crankcase ventilation (PCV) valves for motors and engines; control valves for regulating the flow of gases and liquids being parts of machines; unloading check valves for the outlets of air compressors; automatic inlet control valves for reciprocating air compressors; linear actuators; incubators for eggs; stands for machines; construction machines and apparatus, namely, drilling rigs; mining machines and apparatus; glassware manufacturing machines and apparatus, namely, clamps for use in the precision clamping of work pieces; oil refining machines

Photography projectors; pressure recorders; flame detection apparatus, namely, fire detectors; video recording apparatus; video playback machines; naval signalling apparatus, namely, emergency LED signalling flares; cellular telephones; wireless telephony apparatus; signal transmission apparatus, namely, cables for optical signal transmission; signalling apparatus and instruments, namely, signaling whistles; photographic apparatus and instruments, namely, cameras; surveying apparatus and instruments, namely, tripods; optical apparatus and instruments, namely, optical sensors; microhardness testers; air analysis apparatus; phototelegraphy apparatus; data processing apparatus and computers; fuses for telecommunication apparatus; mobile telephone apparatus with built-in facsimile systems; automatic switching apparatus for telecommunications; digital telephone switching apparatus; gas testing instruments; interface cards for data processing equipment

Oil pumping and extraction; pumping crude oil; oil well drilling; drilling for crude oil; water or oil well boring; oil extraction services; drilling and pumping of oil; oil and gas drilling; installation of apparatus for the production of oil; drilling of deep oil or gas wells; construction of oil drilling rigs; construction of oil pipelines; shipbuilding; underwater construction; construction of structures for the production of crude oil; construction of structures for the transportation of crude oil; construction of structures for the storage of crude oil; construction of structures for the storage of natural gas; construction of structures for the production of natural gas; construction of structures for the transportation of natural gas; installation, construction, maintenance, servicing and repair of energy and power generating apparatus, equipment and installations; installation, maintenance and repair of apparatus for processing metals; installation, maintenance and repair of metalworking machines; repair of installations for use in metal production, metal processing and metal working; providing information relating to the repair or maintenance of metalworking machines and tools; repair or maintenance of metalworking machines and tools and providing information relating thereto; installation, maintenance and repair of systems, machinery and apparatus for working and processing metals and sheet metal; repair of biogas plants and machines; installation of gas supply and distribution apparatus; installation, maintenance and repair of apparatus for supplying gas; pipeline construction and maintenance; machinery installation, maintenance and repair; installation, maintenance and repair of air blowers; maintenance of plumbing installations; maintenance of industrial machinery; maintenance of vehicles and machines; maintenance and cleaning of mining equipment; installation, maintenance and repair of industrial machinery; installation, maintenance and repair of measuring apparatus; installation, maintenance and repair of vacuum pumps; installation, maintenance and repair of oil separators; repair and maintenance of gas and electricity installations; repair and maintenance of mining machines; construction, maintenance, cleaning and repair services all in the field of oil pipelines; construction, repair, maintenance and installation services all in the field of oil pipelines; consultancy relating to installation, maintenance and repair services all in the field of oil pipelines; providing information relating to the repair or maintenance of industrial oil pumps; repair or maintenance of chemical plants; servicing, cleaning and repair of chemical apparatus, namely, chemical processing machines; providing information relating to the repair or maintenance of chemical plants; repair or maintenance of chemical plants and providing information relating thereto; providing information relating to the repair or maintenance of chemical processing machines and apparatus; repair or maintenance of chemical processing machines and apparatus; repair or maintenance of chemical processing machines and apparatus and providing information relating thereto

Oil prospecting; oil assaying; mineral and oil assaying; oil-well testing; exploration services to locate oil and gas; technical project studies in the field of oil drilling rig construction; tool design; design of machines, apparatus and instruments; design of computer programs; computer hardware and software system design; design of data processing systems; computer system design and analysis; design, development, maintenance and updating of computer software for word processing, data processing and process control; design of mechanical, electromechanical and optoelectronic apparatus and instruments; technological services in the field of oil and gas pipelines and research and design relating thereto; design consultancy in the field of oil and gas pipelines; research, development, design and upgrading of computer software; construction drafting; industrial research in the field of oil and gas pipelines; industrial research, development and testing in the field of oil and gas pipelines; industrial analysis and industrial research services in the field of oil and gas pipelines; industrial analysis in the field of oil and gas pipelines; consultancy in the field of industrial research of oil and gas pipelines; computer-aided industrial analysis of oil and gas pipelines; computer-aided testing services of oil and gas pipelines; consultancy in the field of scientific and industrial research of oil and gas pipelines; providing information about industrial analysis and research services in the field of oil and gas pipelines; design and development of computer hardware and software for industrial applications in the field of oil and gas pipelines; provision of information relating to industrial design in the field of oil and gas pipelines; industrial research, testing and analysis services in the field of oil and gas pipelines; computer-aided industrial design, research, testing and analysis services in the field of oil and gas pipelines; gas exploration; engineering services for the gas industry; exploration services in the field of the oil, gas and mining industries; engineering services relating to gas transport and supply systems