roll - satu
- roll yaw interaction
- rollability
- rolled joist
- roller
- roller bearing
- roller blind door
- roller pass
- roller rig
- roller seat
- roller tractor
- roller vane pump
- rolling
- rolling acceleration
- rolling balance
- rolling ballistic trajectory
- rolling effectiveness
- rolling friction
- rolling grade
- rolling missile
- rolling moment
- rolling moment coefficient
- rolling moment equation
- rolling motion
- rolling plane
- rolling resistance
- rolling stability
- rolling vertical takeoff
- roman calendar
- rome air force depot
- roof line
- roof netting
- roof prism
- roof purline
- room
- room temperature
- roomy body
- root chord
- root locus
- root locus method
- root mean square deviation
