Bottled gas; Butane gas for use as a fuel; Combustible gases; Fuel gas; Fuel gas cartridges; Gas (fuel); Gas cartridges; Gas for firearms; Gas for lighting; Gas fuels; Gas mixtures; Gas oil; Gaseous fuels; Gases for flame heating; Gases for use as fuel; Gases for use as illuminants; Gases for use in cooking; Gases for use in heating; Gases for use in lighting; Gasoline; Landfill gas; Liquefied gas; Liquefied natural gas; Liquid gas; Liquid petroleum gas; Natural gas; Oil-gas; Petroleum gas; Producer gas; Propane gas; Solidified gas (fuel); Solidified gases (fuel); Synthetic gas (fuel)

Drilling of deep oil or gas wells

Bottled gas; Butane gas for use as a fuel; Combustible gases; Fuel gas; Fuel gas cartridges; Gas (fuel); Gas cartridges; Gas for firearms; Gas for lighting; Gas fuels; Gas mixtures; Gas oil; Gaseous fuels; Gases for flame heating; Gases for use as fuel; Gases for use as illuminants; Gases for use in cooking; Gases for use in heating; Gases for use in lighting; Gasoline; Landfill gas; Liquefied gas; Liquefied natural gas; Liquid gas; Liquid petroleum gas; Natural gas; Oil-gas; Petroleum gas; Propane gas; Solidified gas (fuel); Solidified gases (fuel); Synthetic gas (fuel)

Disconnecting unused service lines (eg gas, mains water, electricity); Drilling of deep oil or gas wells; Maintenance and repair of gas installations and equipment; Repair of gas supply systems

Surgical instruments; endoprostheses; implants [prosthesis]; implants of artificial materials; instruments for prosthetic implants