Transport vehicles including trucks and trailers, semi-trailer vehicles, container freight vehicles, curtain sided semi-trailers, articulated trailers, refrigerated and dry freight pantechnicons, dry freight and insulated trailers, flat bed and skeletal trailers; shipping and rail containers, freight containers; bodies for freight-carrying vehicles and containers, including truck, trailer and semi-trailer bodies; load restraint systems for trucks, trailers and semi-trailers; parts and accessories therefor in this class