aluminum dust
41Ingredients of cosmetics — Assorted cosmetics and tools Cosmetics ingredients come from a variety of sources but, unlike the ingredients of food, are often not considered by most consumers. Cosmetics often use vibrant colours that are derived from some unexpected sources,… …
42Occupational asthma — is an occupational condition defined as: a disease characterized by variable airflow limitation and/or airway hyper responsiveness due to causes and conditions attributable to a particular occupational environment and not stimuli encountered… …
43pneumoconiosis — /nooh meuh koh nee oh sis, nyooh /, n. Pathol. any chronic lung disease, including anthracosis, asbestosis, and silicosis, caused by the inhalation of particles of coal, asbestos, silica, or similar substances and leading to fibrosis and loss of… …
44tea — tealess, adj. /tee/, n. 1. the dried and prepared leaves of a shrub, Camellia sinensis, from which a somewhat bitter, aromatic beverage is prepared by infusion in hot water. 2. the shrub itself, extensively cultivated in China, Japan, India, etc …
45Gas tungsten arc welding — TIG welding of a bronze sculpture Gas tungsten arc welding (GTAW), also known as tungsten inert gas (TIG …
46Silicon — Not to be confused with the silicon containing synthetic polymer silicone. aluminium ← silicon → phosphorus C ↑ Si ↓ Ge …
47Критика официальной версии событий 11 сентября 2001 года — Террористические акты 11 сентября 2001 года в США вызвали неоднозначную реакцию общественности. Факты, изложенные ниже, могут свидетельствовать о том, что необходимо новое независимое расследование этих терактов. Содержание 1 Официальная версия… …
48Fallout shelter — A sign pointing to an old fallout shelter in New York City. Nuclear weapons …
49rare-earth element — /rair errth /, Chem. any of a group of closely related metallic elements, comprising the lanthanides, scandium, and yttrium, that are chemically similar by virtue of having the same number of valence electrons. Also called rare earth metal. [1955 …
50Bahrain — <p></p> <p></p> Introduction ::Bahrain <p></p> Background: <p></p> In 1783, the Sunni Al Khalifa family captured Bahrain from the Persians. In order to secure these holdings, it entered into a… …
