grou - high
- heavy(-gage) wire
- heavy(-gage) wire
- heavy(-tonnage) train
- heavy(-tonnage) train
- heavy-bodied paint
- heavy-breakable cast
- heavy-caliber bullet gun
- heavy-coking coal
- heavy-current fault
- heavy-cutting torch
- heavy-duty bag
- heavy-duty car
- heavy-duty coiler
- heavy-duty container
- heavy-duty engine
- heavy-duty equipment
- heavy-duty flex plate
- heavy-duty machine
- heavy-duty machining
- heavy-duty remote manipulator system
- heavy-duty roll stand
- heavy-duty test
- heavy-duty tire
- heavy-duty track
- heavy-duty undercarriage guard
- heavy-duty vehicle
- heavy-duty work
- heavy-duty [high-power] lathe
- heavy-end pipe
- heavy-end tube
- heavy-end-power distillate
- heavy-fagoted steel
- heavy-fin tube
- heavy-ion beam fusion reactor
- heavy-ion fusion
- heavy-lift boom
- heavy-lift carrier
- heavy-lift derrick
- heavy-lift launch vehicle
- heavy-lift vessel