Architectural services; Construction drafting; Interior design services; Research on building construction or city planning

Mine borers; bearings, as parts of machines; drilling heads as parts of machines; hydraulic engines and motors; back pressure valves parts of machines; clutches for power transmission other than for land vehicles; pumps for machines; bearing brackets for machines; machine parts, namely, bearing and bushings; oil refining machines; journal boxes as parts of machines; torque converters other than for land vehicles; stators being parts of machines; hydraulic turbines