Hard copy:
Computer output printed on paper.

Harmonized Commodity Description & Coding System(Harmonized Code):
An international classification system that assigns identification #s to specific products. The coding system ensures that all parties in int'l. trade use a consistent classification for the purposes of documentation, statistical control, and duty assessment.

HAWB:
See House Air Waybill.

Hazardous materials:
Materials that the Department of Transportation has determined to be a risk to health, safety, and property; includes items such as explosives, flammable liquids, poisons, corrosive liquids, and radioactive material.

hi-low:
Usually refers to a forklift truck on which the operator must stand rather than sit.

Highway Trust Fund:
A fund into which highway users (carriers and automobile operators) pay; the fund pays for federal government's highway construction share.

highway use taxes:
Taxes that federal and state governments assess against highway users (the fuel tax is an example). The government uses the use tax money to pay for the construction, maintenance, and policing of highways.

hopper cars:
Railcars that permit top loading and bottom unloading of bulk commodities; some hopper cars have permanent tops with hatches to provide protection against the elements.

House Air Waybill (HAWB):
A bill of lading issued by a forwarder to a shipper as a receipt for goods that the forwarder will consolidate with cargo from other shippers for transport.

House to House:
See Door to Door.

household goods warehouse: 
A warehouse that stores household goods.

Hub:
A central location to which traffic from many cities is directed and from which traffic is fed to other areas.

hub airport:
An airport that serves as the focal point for the origin and termination of long-distance flights; flights from outlying areas meet connecting flights at the hub airport.

hundredweight (cwt):
The pricing unit used in transportation; a hundredweight is equal to 100 pounds.