sizing of equipment
21Ballistic vest — A ballistic vest is an item of protective clothing that absorbs the impact from gun fired projectiles and shrapnel fragments from explosion. This protection is for the torso. Soft vests are made from many layers of woven or laminated fibers and… …
22Particle counter — A particle counter is an instrument that detects and counts particles. Applications of particle counters are separated into two primary categories:*Aerosol particle counters *Liquid particle countersAerosol particle countersAerosol Particle… …
23Preservation (library and archival science) — Preservation is a branch of library and information science concerned with maintaining or restoring access to artifacts, documents and records through the study, diagnosis, treatment and prevention of decay and damage. [cite web… …
24art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
25Power cable — This article is about electric power conductors. For portable equipment, see power cord. A power cable is an assembly of two or more electrical conductors, usually held together with an overall sheath. The assembly is used for transmission of… …
26Oropharyngeal airway — Intervention Guedel airways ICD 9 CM …
27Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …
28Oat — This article is about the common cereal. For other uses, see Oat (disambiguation). Oats redirects here. It may mean either the common cereal oat discussed here, or any cultivated or wild species of the genus Avena. Oat Oat plants with in …
29coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
30abrasive — abrasively, adv. abrasiveness, n. /euh bray siv, ziv/, n. 1. any material or substance used for grinding, polishing, etc., as emery, pumice, or sandpaper. adj. 2. tending to abrade; causing abrasion; abrading. 3. tending to annoy or cause ill… …
