Antriebsrad ÂLaufrad |
Lauf ÂLaufrad ÂLaufschiene |
Laufrad ÂStützrad ÂTragrad |
Laufrad ÂRolle ÂSpule ÂTrommel ÂWalze ÂZylinder |
Laufrad Rolle Spule Trommel Walze Zylinder |
Laufrad Stützrad Tragrad |
Impeller (n.) One who, or that which, impels. |
impeller | the blade of a rotor (as in the compressor of a jet engine) |
sonic transonic | (of speed) having or caused by speed approximately equal to that of sound in air at sea level, a sonic boom |