Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers, particulate traps; Air-intake tubes and filters for after-market installation of automotive engines; Circulating pumps; Electric door openers and closers; Filters for cleaning cooling air, for engines; Fitted covers for swimming pool vacuum cleaners; Internal combustion engine parts, namely, coils, manifolds, particulate filters,; Machines tools for removing waste and trash; Power-operated saws; Self-lubri...