grou - high
- headhouse
- heading
- heading card
- heading die
- heading indication system
- heading indicator
- heading joint
- heading line
- heading machine
- heading marker
- heading method
- heading press
- heading recorder
- heading repeater
- heading selector
- heading set
- heading-and-bench method
- heading-and-stall method
- heading-and-stope method
- heading-off