industrial gas cleaning
121List of Edison patents — Below is a list of Edison patents. Thomas Edison was an inventor who, it is said, accumulated 1500 plus patents worldwide for his inventions. Nearly 1100 of Edison s patents were in the United States, but other patents were approved in countries… …
122Dimension stone — Large blocks of granite dimension stone being loaded at Teignmouth in 1827. Dimension stone is natural stone or rock that has been selected and fabricated (i.e., trimmed, cut, drilled, ground, or other) to specific sizes or shapes. Color, texture …
123Uranium mining — The Ranger Uranium Mine in Australia …
124Benzene — For other uses, see Benzene (disambiguation). See also: Benzole Benzene …
125soap and detergent — ▪ chemical compound Introduction substances that, when dissolved in water, possess the ability to remove dirt (detergent) from surfaces such as the human skin, textiles, and other solids. The seemingly simple process of cleaning a soiled… …
126Mining in the United Kingdom — Kellingley Colliery on the border of West and North Yorkshire. Mining in the United Kingdom produces a wide variety of mineral fuels, metals, and industrial minerals. In 2006, there were over 2200 active mines, quarries, and offshore drilling… …
127Smoke detector — A smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices issue a signal to a fire alarm system, while household detectors, known as smoke alarms, generally issue a… …
128Nitrogen trifluoride — Nitrogen trifluoride …
