Offshore import and export terminals for offshore oil and gas production, namely, prefabricated metal offshore drilling platforms; constructions for use in offshore industry, namely, construction elements made of metal in the nature of braces, shores, supports, metal piles, fabricated metal components for building foundations, and metal cladding for construction and building; piping systems for use in offshore industry consisting of metal pipes and metal pipe connectors; mooring systems comprised of metal mooring buoys, mooring bollards of metal and mooring cables of metal; gas transportation and distribution and transfer systems used in the offshore industry comprising metal pipes, manually operated metal valves, metal pipe and hose connectors with rigid loading arms in the nature of cranes, metal structures in the nature of prefabricated metal platforms; metal aerial hoses; metal floating hoses; metal constructions for storage, transfer and distribution of gas in the nature of metal storage shanks for offshore and near-shore installations; metal pipes for transporting liquefied or compressed gas from or to shore or for transfer between offshore systems, floating vessels for receiving and/or processing natural gas; floating vessels in the nature of floating metal docks for storing and/or re-gasifying liquefied gasses for transportation to shore by pipeline; gas export or import metal buoys; gas export or import terminals fixed to the seabed, namely, prefabricated metal platforms; floating bodies moored to the seabed for mooring tankers during transfer of fluids and gasses, namely, prefabricated metal platforms; floaters for use in loading and off loading systems, namely, floating metal docks; submerged systems for use in loading and/or offloading systems, namely, submerged metal structures in the nature of anchors and anchorlines, subsea processing units, subsea piping and disconnectable metal buoys forming part of a system for loading and unloading crude oil and gas in the offshore industry, submerged floating bodies in the nature of submerged floating buoys, submerged floating pipelines allowing metal pipes to traverse large distances for loading and offloading crude oil and gas, and submerged metal structures in the nature of midwater pipe lines and steel catenary riser (SCR) systems and metal buoys supporting crude oil and gas; metal risers in the nature of steel catenary risers (SCR's) as part of a system for transfer of crude oil and gas to or from tankers or processing vessels in the offshore industry; semi-submersible metal offshore drilling platforms; jack-up metal offshore drilling platforms; jack-up prefabricated metal drilling platforms for civil construction; metal constructions for use in the offshore industry, namely, fixed and floating offshore platforms, mooring and anchoring systems, mooring and oil transfer buoys; mooring systems of metal, namely, mooring buoys for transfer of hydrocarbons; metal floaters for use in loading and off loading systems, namely, mooring buoys for transfer of hydrocarbons