37 Installation, inspection, maintenance and repair services relating to offshore and subsea structures; assembly, installation, maintenance and repair of offshore drilling platforms; assembly, installation, maintenance and repair of offshore hydrocarbon production platforms; assembly, installation, maintenance and repair of offshore minimum facilities wellhead platforms; installation of on-shore and offshore piles and tubular foundations; assembly, maintenance and repair of mechanical pile driving frames, impact transmission devices for mechanical pile driving frames, cranes, mechanical rock crushers, excavators, earth-moving machines, hydraulic engineering machines, steam engines, pumps, compressor machines, valves as parts of machines, mechanical, electric, hydraulic and pneumatic control apparatus, electrotechnical apparatus; rental of machines and apparatus for foundation work and for earth moving and hydraulic engineering; rental of anchoring hardware and anchoring hardware for mooring vessels; installation, inspection, maintenance, and repair services for oil or gas wells and oil or gas fields, including on-shore, marine or off-shore oil or gas wells and oil or gas fields; assembly, installation, maintenance and repair of pipelines, pipes, conductors, and riser structures for oil or gas wells and oil or gas fields; maintenance, installation and repair services relating to severance activities, cutting services and water-jet cutting services for on-shore, marine and off-shore oil or gas wells and oil or gas fields; installation, maintenance and repair of marine anchors, mooring systems, mooring buoys and underwater buoyant bodies; rental of equipment for the spooling, transpooling, transportation and installation of pipeline products, flexible flowlines, umbilicals, cables, wires, wire ropes and coiled tubing; rental of reels for the spooling, transpooling, transportation and installation of pipeline products, flexible flowlines, umbilicals, cables, wires, wire ropes and coiled tubing; rental of installation reels, powered reels, mechanical reels, mechanical reels for flexible products, roller bases, chutes, stern chutes, mechanical winders, level winders, coiled tubing straighteners, lifting beams, reel lifting beams, winches, tensioners, winch tensioners, caterpillar tensioners; rental of cable winches and cable length counting systems; rental of laser surveying and positioning equipment; decommissioning of subsea structures