7 Manufactured equipment to be positioned within oil and/or gas wells during drilling, completion, production, well abandonment and/or well work-over operations, namely, wellbore drilling tools, reamers, stabilizers, centralizers, casing and reaming shoes, collars, plugs, packers, downhole valves, and downhole motors; machine tools for use in drilling, installation, construction, and/or exploration in the oil and gas industry, namely, wellbore drilling tools, reamers, stabilizers, vibratory tools, centralizers, casing and reaming shoes, collars, plugs, packers, downhole valves, wellbore clean up tools, fishing tools, catching tools, power swivels, and downhole motors