vehicle and repair services, namely, fitting vehicles for specialized uses, namely, freight and passenger rail transportation, cargo transportation, towing and vehicle handling, intermodal transportation, military and security use, machinery transportation, and bridge construction; converting vehicles to material and load carrying vehicles, articulated vehicles, utility vehicles, wreckers and crane vehicles, public transportation vehicles, intermodal transpiration vehicles, military and security vehicles, search and rescue vehicles, cargo trailers, flatbed trailers, and freight containers; equipping vehicles with support frameworks, platforms, articulated bodies, vehicle bodies and vehicle body handling structures, freight containers, bridge erection machinery, security and rescue equipment, trailers, suspensions, couplings, tow hooks, tow bars, and draw bars; maintenance and repair of vehicles and handling machines for freight vehicle and passenger transportation, building and bridge construction, intermodal transportation, military, security and rescue services; and, reconditioning of authorized vehicles, trailers and supporting vehicle structures