DS

Clack valves being parts of machines; steam engine boilers and auxiliary apparatus in the nature of auxiliary power units for supplying electrical power; valves being parts of machines; axles for machines; pneumatic components, namely, pneumatic conveyors; crank shafts for oil refining machines; machines for oil exploitation and refining industry, namely, oil-well pumping machines; pressure valves being parts of machines; hydraulic components, excluding hydraulic system for vehicle, namely, hydraulic conveyors; drilling rigs, floating or non-floating