IDEAL

machines, fabricated structures, tools and replacement parts therefor for use in the production of oil and gas from wells and for the drilling of oil and gas wells, namely, drilling masts, substructures; crown blocks; deadline-wireline anchors; draw-works and brakes therefor; power swivels; rotary table; sheaves; traveling blocks; winches; windlasses; machines used to make and break threaded connections of tubular members