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Bromochlorodifluoromethane (BCF), also referred to by the code numbers Halon 1211 and Freon 12B1, is a haloalkane with the chemical formula C F 2 Cl Br. It is used for fire suppression, especially for expensive equipment or items that could be damaged by the residue from other types of extinguishers. [ 1 ]
Juanita Merrick (m. 1922) Francesco "Frank" John Mafera, Sr. (July 18, 1898 – February 13, 1956) was an American businessman and inventor notable for patenting the first method for weaving chain-link fencing. [1] In 1930, Mafera filed an application for a "method of forming wire fence fabric", which was approved in 1931. [1]
Industrial control system. An industrial control system (ICS) is an electronic control system and associated instrumentation used for industrial process control. Control systems can range in size from a few modular panel-mounted controllers to large interconnected and interactive distributed control systems (DCSs) with many thousands of field ...
Many times in lifetime > 10 −3: Probable: Several times in lifetime: 10 −3 to 10 −4: Occasional: Once in lifetime: 10 −4 to 10 −5: Remote: Unlikely in lifetime: 10 −5 to 10 −6: Improbable: Very unlikely to occur: 10 −6 to 10 −7: Incredible: Cannot believe that it could occur < 10 −7
A fieldbus is a member of a family of industrial digital communication networks [1] used for real-time distributed control. Fieldbus profiles are standardized by the International Electrotechnical Commission (IEC) as IEC 61784/61158. A complex automated industrial system is typically structured in hierarchical levels as a distributed control ...
Basalt fiber. Basalt fibers are produced from basalt rocks by melting them and converting the melt into fibers. Basalts are rocks of igneous origin. The main energy consumption for the preparation of basalt raw materials to produce of fibers is made in natural conditions. Basalt fibers are classified into 3 types: Basalt continuous fibers (BCF ...
Chain. A common metal short-link chain. Roller chains. A chain is a serial assembly of connected pieces, called links, typically made of metal, with an overall character similar to that of a rope in that it is flexible and curved in compression but linear, rigid, and load-bearing in tension. A chain may consist of two or more links.
The company has a market value of about $4.3 billion, down from over $8 billion earlier this year. Trump is expected to be eligible to begin cashing out his nearly 60% stake - or 114.75 million ...