three-point - tool head
- three-point
- three-point bed
- three-point contact of ball in roller bearing
- three-point design
- three-point leveling system
- three-point locating
- three-point mount
- three-point steady
- three-point table suspension
- three-port valve
- three-roll
- three-roll wrist
- three-shift
- three-side work
- three-spindle machining center
- three-square needle file
- three-stage air filtration system
- three-stage feed
- three-throw
- three-tier
- three-way
- three-way toolpost
- three-way valve
- three-wire output
- threshing drum
- threshold of stability
- threshold operation
- threshold quantity
- threshold shift
- threshold value
- threshold voltage
- thresholding
- thresholding algorithm
- thresholding filtering
- thresholding operation
- throat
- throated worm
- throated wormgear
- throe
- throttle
