Definition. For the purposes of this section, "heavy equipment storage" includes the storage of all heavy equipment, such as graders, excavators, bulldozers, backhoes, skid streets and similar equipment; and/or commercial vehicles over 7,000 pounds' gross vehicle weight, truck tractors and/or trailers, commercial and/or construction trailers/equipment, including, but not limited to, backhoes, dump trucks over 7,000 pounds' gross vehicle weight, cranes and forklifts, and school buses.