Internal combustion engines for land vehicles, namely, Internal combustion engines for automobiles, for all terrain vehicles, for recreational vehicles, in the nature of campers, travel trailers, and fifth wheels, for motor trucks, for motorcycles, for motor scooters, for mopeds and for motor tricycles; land vehicles, namely, automobiles, all terrain vehicles, recreational vehicles, in the nature of campers, travel trailers, and fifth wheels, motor trucks, motorcycles, motor scooters, mopeds, motor tricycles; water vehicles, namely, ships, boats, motor boats, yachts, launches, power boats, personal jet boats, seaplanes, and amphibious airplanes; air cushion vehicles; funicular railcars; space vehicles; air vehicles, namely, air balloons, aircraft, aero planes, airships, dirigible balloons; and structural parts for all of the aforementioned goods, excluding street cleaning vehicles or street cleaning machines, and parts used in connection therewith