Glossary H

Deutsch: Kopfbedeckung / Español: Protección para la cabeza / Português: Equipamento de proteção para a cabeça / Français: Équipement de protection de la tête / Italiano: Protezione per la testa /

Headgear is defined as a Strap worn around the back of the head which is used to help pull the teeth back or influence the jaw growth.

Hickory is characterized as a strong, open-grained hardwood known for wide variation of color and texture. Works well to express the beauty and character aspects of real wood. A unique, wilder wood with beautiful, active textures that range from light to mid to dark to gray tones.

The latest version of the Harmonized System (HS) and Codes adopted by the United States is published by the U.S. International Trade Commission (ITC) as the Harmonized Tariff Schedule of the United States. You can use this guide to determine the numerical code assigned to a particular commodity; the descriptive passages can be helpful to determine the context of a particular commodity within classification.

Hard rubber concerns the material used for pen barrels, caps, and other parts of the pen. The rubber is derived from natural latex resin, vulcanized - boiled with sulfur or other reagents to form a solid, resilient, lightweight plastic-like material that can be machined into shape,

Hydroforming is concerned with a metal forming process in which the metal tube blank is formed into a desired shape with the use of internal water hydraulic pressure. It is applicable in any industry where complex shapes must be formed with a high degree of precision.

HS --->Harmonized System

Heating, Ventilation, and Air Conditioning (HVAC) controls the ambient environment (temperature, humidity, air flow, and air filtering) of a building and must be planned for and operated along with other data center components such as computing hardware, cabling, data storage, fire protection, physical security systems, and power.

High road; avenue (in street names) refers to highway, main road; easiest course, while avenue refers to a any wide street or road in an urban area or a broad, multi-lane roadway broad, usually in an urban area.