‘semi-trailer’: a trailer without a front axle coupled in such a way that a substantial part of its weight and of the weight of its load is borne by the tractor or motor vehicle;
poolhaagis: ilma esiteljeta järelveok, mis on haagitud selliselt, et oluline osa selle massist ja koorma massist toetuks traktorile või mootorsõidukile;