hear - hold
- hearing protectors
- heart
- heart check
- heart pith
- heart plank
- heart rot
- heart shake
- heart side
- heart-and-back tie
- hearth
- heartwood
- heartwood tree
- heat kill
- heat probe
- heat seal coating
- heat sealing coating
- heat sealing machine
- heat tray
- heat-reacting base
- heat-reacting paper
- heat-sealable paper
- heat-sealing paper
- heat-treatment chamber
- heated chamber for composition
- heated press platen
- heath
- heather
- heather moor
- heathland
- heathy peat
- heating of manure
- heavy bearing
- heavy coil turntable
- heavy cut
- heavy feeder
- heavy fuel
- heavy going country
- heavy hands
- heavy joist
- heavy liquor
