Metal structures in the nature of prefabricated metal platforms being offshore import and export terminals; metal structures in the nature of prefabricated metal platforms being used in offshore oil and gas production; 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 for use in offshore industry; metal piping systems consisting of metal pipes and metal pipe connectors for use in offshore industry; mooring systems comprised of metal buoys, mooring bollards of metal and mooring cables of metal at offshore installations; gas transportation and distribution and transfer systems used in the offshore industry primarily 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; industrial metal aerial hoses; industrial metal floating hoses; metal constructions for storage, transfer and distribution of gas in the nature of metal storage tanks 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 structures of metal for receiving and/or processing natural gas, namely, tanks; floating vessels in the nature of floating metal docks for storing and re-gasifying liquefied gasses for transportation to shore by pipeline; metal buoys for use in gas export or import; structures of metal being gas export or import terminals fixed to the seabed; floating structures of metal moored to the seabed for mooring tankers during transfer of fluids and gasses; floating structures of metal for use in loading and off-loading systems; submerged systems for use in loading and 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 metal floating bodies in the nature of submerged floating buoys, submerged floating pipelines allowing metal pipes to travers 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; risers 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 drilling platforms, jack-up drilling platforms, jack-up platforms for civil construction; all the aforesaid goods being of metal