LBT

Mine borers; apparatus for machining, namely, cutting machines; drilling machines; mine working machines, namely, earth drilling machines; machinery and equipment for geological exploration, mining, and mineral separation, namely, earth moving machines; drilling rigs floating or non-floating; machines and equipment for oil development and refinement, namely, oil separators; petrochemical plants, namely, machines in the nature of extracting machines and separating machines used in the manufacture of petrochemicals; oil drilling machines; drifting machines, namely, for separating oil