BLACKSPACE

Anthracite; coke; mineral motor fuel; oil-gas, namely, fuel gas, gasses for use as fuel, natural gas; petroleum, raw or refined; carburants, namely, fuels with an alcoholic base, fuel for motor vehicles in the nature of gasoline and diesel, fuels from biological sources; lignite; coal; coal briquettes

Construction of buildings; drilling of deep oil or gas-wells; drilling of wells; mining extraction; rental of construction equipment; quarrying services; pipeline construction and maintenance; factory construction; machinery installation, maintenance and repair

Conducting geological surveys; geological research; geological prospecting