grou - high
- heel
- heel block
- heel bolt cam
- heel chair
- heel clearing cam
- heel pivot
- heel plate
- heel pocket
- heel pouch
- heel rest
- heel scuff band
- heel stitch cam
- heel upthrow cam
- heel weld
- heeling adjuster
- heeling arm
- heeling corrector
- heeling deviation
- heeling error
- heeling lever
- heeling magnet
- heeling moment
- heeling pump
- heeling tank
- heeling test
- heeling [inclining] experiment
- heelpost
- Hefner candle
- height
- height analyzer
- height circle
- height clearance
- height control
- height diversity
- height finder
- height finding
- height mark
- height-finder [height-finding] radar
- height-keeping error
- height-lock mode