Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers, and particulate traps; Automotive exhaust pipe; Catalytic converter units for vehicle exhausts; Catalytic converters; Catalytic converters for motors and engines; Emission reduction units for motors and engines, namely, catalytic converters; Engine exhaust system comprised of a particulate trap; Engine exhaust systems comprised of pipes, collector and muffler; Engine exhaust tips; Exhaust gas treatment systems for diesel engines; Exhaust system temperature, pressure, and flow sensors being parts of internal combustion engines; Exhausts for motors and engines; Machine tools, namely, clamps for use in the precision clamping of work pieces; Metal engine gaskets for vehicles; Mounting brackets adapted for exhaust systems for internal combustion engines; Nitrogen oxide traps for exhaust systems being parts of internal combustion engines; Particulate air filters for exhaust systems for internal combustion engines; Parts for compressed-air tools, namely, brakes, filters, hoses, pipes, couplings valves, switches, compressors, clamping tools and injectors; Parts of oilfield wellhead machines, namely, gate valves, ball valves, check valves, plug valves, globe valves, choke and manifold industrial pumps, pump and valve parts, pipe fittings and flanges; Sub-micron fuel filters for diesel exhaust fluid