meter gases
71Fire extinguisher — Extinguisher redirects here. Extinguisher may also refer to a candle snuffer. A stored pressure fire extinguisher …
72Water (molecule) — Chembox new Name = Water (H2O) ImageFileL1 = Water 2D labelled.png ImageSizeL1 = 120px ImageNameL1 = The water molecule has this basic geometric structure ImageFileR1 = Water molecule 3D.svg ImageSizeR1 = 100px ImageNameR1 = Space filling model… …
73Issues relating to biofuels — There are a number of issues relating to biofuels.Biofuels are proposed as having such benefits as: reduction of greenhouse gas emissions, reduction of fossil fuel use, increased national energy security, increased rural development and a… …
74Gasrohrleitungen — dienen zur Fortleitung des Gases; diejenigen, die zur Verteilung des Gases in den Straßenzügen des Beleuchtungsgebietes dienen, sind die Hauptleitungen, während die von diesen abzweigenden Zuleitungen das Gas den einzelnen Laternen und Gebäuden… …
75Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …
76Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… …
77Breathing — Breath redirects here. For other uses, see Breath (disambiguation). For other uses, see Breathing (disambiguation). The human respiratory system Breathing is the process that moves air in and out of the lungs. Aerobic organisms require oxygen to… …
78Bhopal disaster — The Bhopal disaster was an industrial disaster that occurred in the city of Bhopal, Madhya Pradesh, India, resulting in the immediate deaths of more than 3,000 people, according to the Indian Supreme Court. A more probable figure is that 8,000… …
79Oxygen toxicity — Classification and external resources In 1942–43 the UK Government carried out extensive testing for oxygen toxicity in divers. The chamber is pressurised with air to 3.7  …
80Krypton — infobox kryptonKrypton (pronEng|ˈkrɪptən or IPA|/ˈkrɪptɒn/; from el. kryptos hidden ) is a chemical element with the symbol Kr and atomic number 36. It is a member of Group 18 and Period 4. A colorless, odorless, tasteless noble gas, krypton… …
