impure air
101Islam in India — This article is about Islam in the Republic of India. For wider definitions of India , see Islam in South Asia. Indian Muslims …
102Coal breaker — A coal breaking plant, depicted on a postcard in 1907. A coal breaker was a coal processing plant which broke coal into various useful sizes. Coal breakers also removed impurities from the coal (typically slate) and deposited them into a culm… …
103Indian philosophy — Any of the numerous philosophical systems developed on the Indian subcontinent, including both orthodox (astika) systems, namely, the Nyaya, Vaisheshika, Samkhya, Yoga, Mimamsa, and Vedanta schools of philosophy, and unorthodox (nastika) systems …
104Barium — (pronEng|ˈbɛəriəm) is a chemical element. It has the symbol Ba, and atomic number 56. Barium is a soft silvery metallic alkaline earth metal. It is never found in nature in its pure form due to its reactivity with air. Its oxide is historically… …
105Technetium — molybdenum ← technetium → ruthenium Mn ↑ Tc ↓ Re …
106Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …
107Norwegian heavy water sabotage — Part of World War II The Vemork Hydroelectric Plant in 1935. The heavy water was …
108La Oroya — Infobox City official name = La Oroya other name = native name = nickname = motto = imagesize = image caption = flag size = image seal size = image shield = shield size = city citylogo size = mapsize = map caption = pushpin pushpin label position …
109The Return of the Condor Heroes (2006 TV series) — infobox television show name = The Return of the Condor Heroes caption = Title screenshot format = Wuxia, Drama runtime = 45 mins (per episode) creator = Zhang Jizhong, Jinyong (novel) starring = See Cast below country = China language = Mandarin …
110Cast stone — is defined as “a refined architectural concrete building unit manufactured to simulate natural cut stone, used in unit masonry applications”. In the UK and Europe cast stone is defined as “any material manufactured with aggregate and cementitious …
