... sensor(overfill detection system for tank truck,socket,probe) Optic sensor(overfill detection system,tank ... , amphibious bus,,trailer,moterhome,camping van,camping car,,fire truck,fire fighting truck,,wrecker, sweeper, ... ,rerigeration truck,refrigerated vehicle,refrigerated lorry,freezer car,chill car,refrigerated van,,crane,lorry loading crane,,,,,bridges, ... detection system for tank truck,socket,probe)