hear - high
- heavy strip
- heavy to gauge
- heavy-density medium
- heavy-density recovery
- heavy-duty
- heavy-duty (acetylene) generator
- heavy-duty crane
- heavy-duty electrode holder
- heavy-duty lubricating grease
- heavy-duty machine
- heavy-duty power pointer
- heavy-duty service
- heavy-duty shears
- heavy-fluid washer
- heavy-gauge
- heavy-media processing
- heavy-media processing plant
- heavy-media screen
- heavy-media separation
- heavy-medium regeneration
- heavy-plate shears
- heavy-plate straightener
- heavy-walled
- heavyweight heat
- hectopieze
- hedge of dislocation
- heel block
- heel of metal
- heel weld
- height
- height of bed
- height of crown of the roof
- height of layer
- height of rolled material
- height of shell
- helical cast
- helical conveyor
- helical gear
- helical rolling
- helical-blade stirrer