Refuelling Unit : A tank wagon or tank trailer or any other type of mobile container specifically designed and used for the dispensing of dangerous goods of Class 3 into the fuel tanks of aircraft, hovercraft, vehicles, or vessels
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}