Glossary H

Humidifier is identified as either a free standing unit or a component of a central heating/cooling system that adds moisture to the air before it is distributed throughout the house.

Homogenous products is identified as products that are similar in quality, but different in price and require comparisons.

High capacity aircraft is described as a kind of aircraft which is equivalent to wide-bodied aircraft. These aircrafts are referring to: B747, B767, B777, A300, A310, A330, A340, DC10, MD-11, L-1011, IL-86 and IL-96.

Deutsch: Kopf / Español: Cabeza / Português: Cabeça / Français: Tête / Italiano: Testa /

Head, in sailing or power boating term may refer to:

1. The bow

High-density polyethylene (HDPE) is described as a rigid, tough and strong resin of natural milky color.

Hopper refers to a device for temporarily storing dust collected by an air pollution control device.

Hardware pertains to the physical components of a computer system such as the central processing unit (CPU), memory, disk storage, tape drives, plotters, printers, terminals, digitizers etc.

Hoist refers to a suspended machinery unit that is used for lifting and lowering a freely suspended (unguided) load; can be powered by hand, air or electricity; lifting medium either chain, wire rope or roller chain.