"revolutions-per-minute" . "RPMs" . "Revolutions per minute#Examples" . "rotor RPM" . . "engine/rotor speed" . "rev/min" . "revs per minute" . "revs" . "RPM" . "rpm" . . "R.P.M." . . . "revving" . . "123" . . "2550 min^\u22121" . "engine revving up" . . . "rotations per minute" . "'''Engine speed'''" . "revolutions per minute (rpm)" . . . . . "Revolutions per minute" . "Revolutions per minute" . "78 RPM" . "engine speed" . "(RPM)" . "rev" . "revolutions per second" . "speed" . "1,200 rpm" . "wheel rotation" . "R, P, & M" . . "revolutions per minute" . "'''R'''evolutions '''P'''er '''M'''inute" . "78 rpm" . "Rpm" . "engine speeds" . . "r.p.m." . "rev limit" . . "800 rpm" . "rotational speed" . "45 rpm" . . "900 rpm" . "revolution per minute" . "revolutions per minute (RPM)" . . "r/min" . "''RPM''" . . "revolution" . "engine rpm" . "revolutions" . "rpms" . "1/min" .