hazard reducing device
101ancient Rome — ▪ ancient state, Europe, Africa, and Asia Introduction the state centred on the city of Rome. This article discusses the period from the founding of the city and the regal period, which began in 753 BC, through the events leading to the… …
102Biological warfare — For the use of biological agents by terrorists, see bioterrorism. Weapons of mass destruction …
103Diesel engine — Diesel engines in a museum Diesel generator on an oil tanker …
104Anechoic chamber — An anechoic chamber An anechoic chamber (an echoic meaning non echoing or echo free) is a room designed to stop reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both… …
105Balloon modelling — A balloon artist in Vienna, Austria Balloon modelling or balloon twisting is the shaping of special modelling balloons into almost any given shape, often a balloon animal. People who create balloon animals and other twisted balloon sculptures are …
106Aluminum wire — is a type of wiring used in houses and power grids. History Usage within utilities Since the early 1900s, utility companies have been using aluminum wire for transmission of electricity within their power grids. It has advantages over the older… …
107Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… …
108Malaria — Classification and external resources Ring forms and gametocytes of Plasmodium falciparum in human blood. ICD 10 B …
109Spain — /spayn/, n. a kingdom in SW Europe. Including the Balearic and Canary islands, 39,244,195; 194,988 sq. mi. (505,019 sq. km). Cap.: Madrid. Spanish, España. * * * Spain Introduction Spain Background: Spain s powerful world empire of the 16th and… …
110Decompression (diving) — Divers decompressing in the water at the end of a dive Decompression in the context of diving derives from the reduction in ambient pressure experienced by the diver during the ascent at the end of a dive or hyperbaric exposure and refers to both …
