Containers of metal for combustible gases; Containers of metal for compressed gas or liquid air; Containers of metal for petroleum gas; Transportable containers of metal for gases; Cylinders of metal for use with compressed gas; Steel cylinders for compressed gas; Bottles (metal containers) for compressed gas or liquid air; Cylinders of metal for gas; Gas bottles of metal; Gas containers made of metal; Gas storage tanks of metal; Metal bottles for compressed gas; Metal containers for gases; Metal containers for liquefied gases; Metal gas pipe parts; Metal gas pipelines; Metal tubes for gas; Metallic pressurised gas cylinders; Mountings of metal for pressurised gas cylinders; Pipelines of metal for use with pressure gas cylinders; Pressure gas bottles of metal; Pressure gas cylinders made of metal; Pressure reducing valves being parts of gas installations; Seals of metal for preventing leakage of gases; Steel fabricated units for use in storing gas cylinders; Steel fabricated units for use in transporting gas cylinders; Stop cocks of metal (other than parts of machines, or being regulating or safety apparatus for water and gas); Stop valves of metal (other than parts of machines, or being regulating or safety apparatus for water and gas)

Apparatus for mechanised welding (other than electric); Apparatus for the welding of materials; Autogenous welding apparatus (gas operated); Finished welding tips; Gas welding apparatus; Gas welding machines; Regulators for use in welding machines; Welding apparatus operated by oxyacetylene; Welding apparatus, gas-operated; Welding torches (gas-operated)