rota - sche
- rotable antenna
- rotary capacitor
- rotary converter
- rotary detector
- rotary dial system
- rotary field
- rotary finder
- rotary knob
- rotary lever
- rotary magnet
- rotary out-trunk switch
- rotary pump
- rotary selector
- rotary substation
- rotary switch
- rotary system
- rotary-field motor
- rotary-type knob
- rotating device
- rotating dial knob
- rotating disc
- rotating field
- rotating field instrument
- rotating machinery
- rotating signal disc
- rotating switch
- rotating valve
- rotation counterclockwise
- rotational damper
- rotative motion and energy
- rotor copper
- rough handling
- rough lining
- rough road
- rough spots
- rough survey
- rough track
- rough turning
- roughness
- round edge
