Oil refining machines; oil drilling machines; sludge pumps specially used for petroleum; drifting machines for oil wells; oil pump specially used for petroleum, namely, high-pressure pumps for use in oil or gas well hydraulic fracturing; floating or non-floating oildrilling rigs; machines and equipment for oil development and refinement, namely, oil pumping machines, oil refining machines; well cleanup machine; mine borers; industrial machine presses; hydraulic presses for metalworking; cutti...