Acetone; additives, chemical, to drilling muds; additives, chemical, to motor fuel; aluminium chloride; bentonite; benzene derivatives; catalysts; chemical preparations for scientific purposes, other than for medical or veterinary use; chemical substances for analyses in laboratories, other than for medical or veterinary purposes including nitrogen; drilling muds; ethers; ethyl alcohol; filtering materials unprocessed plastics; oxygen; petroleum dispersants; plastics, unprocessed including polyethylene and balen; sulphur; synthetic resins, unprocessed; toluene; water glass soluble glass; water purifying chemicals

Additives, non-chemical, to motor fuel; benzene; carburants; coke; cutting fluids; diesel oil; dust absorbing, wetting and binding compositions; fuel gas; fuel oil; fuel; gasoline; industrial oil; motor oil; naphtha; kerosene; ligroin; lubricating grease; lubricating oil; mazut; oil-gas; paraffin; petrol; petroleum, raw or refined; vaporized fuel mixtures; wax raw material; xylol

Anti-rust treatment for vehicles; asphalting; bricklaying; car wash; construction; drilling and pumping of oil; drilling of wells; factory construction; masonry; oil and gas drilling; oil pumping and extraction; pipeline construction and maintenance; plastering; pump repair; pumping crude oil; quarrying services; repair; vehicle maintenance; vehicle repair; vehicle service stations refuelling and maintenance; water or oil well boring

Custom assembling of materials for others; processing of oil; recycling of waste and trash; sorting of waste and recyclable material transformation; timber felling and processing; treatment of materials; waste treatment transformation; water treating; woodworking