Pumps as parts for machines, engines or motors; pumps being machines, namely, pumps for use in oil and gas drilling and production; pump diaphragms; mechanical and pneumatic conveyors; steam/oil separating machines, devices, and filters, namely, vertical, horizontal, and spherical separators; machine control cables; extracting machines for mines; oil refining machines; separating machines, devices, and filters, namely, oil and gas separators; mechanical controllers and control mechanisms, nam...