7 Aerating pumps for aquaria; Centrifugal pumps; Dust removing installations for cleaning purposes; Engine fuel pumps; Fuel and air mixture regulators being parts of internal combustion engines; Fuel dispensing pumps for service stations; Lubricating pumps; Pumps for counter-current swimming; Pumps for machines; Vehicle engine parts, namely, oil tanks; Automatic looms; Back pressure valves as parts of machines; Compression moulding machines; Hydraulic valves being parts of machines; Injection moulding machines; Oil pumps for use in motors and engines; Pneumatic air preparation equipment, namely, airline filters, lubricators, and regulators, all being parts of machines