37 Building, construction, installation, demolition, and renovation of offshore and subsea structures employed in the extraction, conveyance, storage, refining and processing of oil and natural gas; offshore and subsea building, construction, installation, demolition, and renovation of offshore and subsea structures employed in the extraction, conveyance, storage, refining and processing of oil and natural gas; pipeline laying services; marine lifting services, namely, marine construction; lowering of pipelines, drilling rigs, oil and gas exploration and production apparatus and equipment, namely, installation of oil production, extraction, conveyance, storage, refining and processing apparatus, equipment, and subsea structures; fabrication, construction, assembly and lining of pipelines, namely, laying and construction of pipelines; spoolbase services, namely, pipe laying services; installation, maintenance, refurbishment, modification, cleaning, servicing and repair services relating to apparatus and equipment for the extraction, conveyance, storage, refining and processing of oil and gas, offshore and subsea structures, drilling rigs, fixed platforms, floating platforms, pipelines, oil and gas production apparatus, umbilical cables, tubes, pipes and hoses, risers, flowlines and energy generation equipment and installations; seabed excavation and dredging services; oil and natural gas pumping; construction management and supervision services; rental and leasing of construction tools and equipment; rental and leasing of tools, machines and apparatus for the extraction of oil and gas; servicing of watercraft, ships, submersible vehicles, autonomous underwater vehicles, remotely operated vehicles and diving equipment; [ information, advisory and consultancy services relating to all the aforesaid; ] oil field life extension services, namely, repair and maintenance of apparatus, equipment, and offshore and subsea structures employed in the extraction, conveyance, storage, refining and processing of oil and natural gas * ; information, advisory and consultancy services relating to all the aforesaid *