37 Construction, maintenance and repair of apparatus in the field of subsea environment, namely, hydraulic drilling rigs, mud pumps, light towers, dredging equipment, drilling equipment, hoisting equipment, pumps, trenching equipment, pipes, pipelines, fracking equipment, photovalvic equipment, photovoltaic equipment, gas turbines, wind turbines, oil turbines, sinking platforms or powered autonomous underwater vehicles all used in the oil and gas and the renewable energy sectors; construction, maintenance and repair of subsea apparatus, namely, drills, gravity meters, winches, floating oil and gas platforms, wells heads, subsea pipelines; underwater building and construction, maintenance, inspection, and repair services; marine construction; search and recovery, namely, recovery of apparatus, equipment, tools, plant machinery, oil and gas platforms, drilling rigs, pipelines, wellheads, manifolds, caissons, umbilicals, valves, and any other subsea infrastructure and apparatus for use in subsea oil and gas exploration, appraisal, construction, production and abandonment; search and recovery, namely, recovery of remotely operated vehicles and vessels, cargo, underwater vehicles, ordnance and foreign objects; Construction, inspection, repair and maintenance of platform removal support, subsea well abandonment, pipeline and Umbilical Deburial and Recovery, subsea structure recovery, subsea protection mattress recovery; subsea telecommunication cable maintenance, inspection, and repair; project management of underwater building and construction; underwater industrial operations, namely, underwater installation, construction, inspection services in the course of construction, maintenance, removal and repair of buildings, oil and gas apparatus, infrastructure and equipment, plant and machinery and oil and gas platforms, drilling rigs, pipelines, wellheads, manifolds, caissons, umbilicals and valves, flexible Lays ,Pigging and Pressure Testing, Pipeline Protection, SPM Installation, Spool Tie-In; riser installation; installation of pipelines, in-lines and risers using flexible lay systems; installation, maintenance and repair of pigging and pressure testing apparatus and instruments; repair of pipelines and wet welding; installing and upgrading of subsea control module, except software; appurtenance removal services, namely, cleaning and removal of underground storage tanks for offshore and underwater industries; removal, not including transport, of the whole or part of apparatus, equipment and infrastructure, marine growth, corroded material, welds, fixtures and instrumentation; installation, maintenance and repair of renewable energy structures, infrastructure and apparatus, namely, earth moving equipment, drilling equipment, hoisting equipment, pumps, trenching equipment, pipes, pipelines, fracking equipment, photovalvic equipment, photovoltaic equipment, gas turbines, wind turbines, oil turbines; installation of cables and J-tubes; repair and maintenance of foundations for the renewable energy sectors; remotely operated vehicle debris clearance, namely, subsea debris collection using remote operation vehicle for foundation installation; installation of rock bags for scour mitigation; installation of wave and tidal devices; installation, maintenance and repair of remotely operated vehicles, platform supply vessels and other vessels for use in the oil and gas and renewable energy sectors; Repair, maintenance and construction of sub-sea equipment, namely, drills, rigs, pumps; rental of diving equipment for underwater repair maintenance and construction; information, advisory and consultancy services relating to all of the aforesaid services