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Dr. Thomas’ Eclectric Oil was a widely used pain relief remedy which was sold in Canada and the United States as a patent medicine from the 1850s into the early twentieth century. [ 1 ] [ 2 ] Like many patent medicines, it was advertised as a unique cure-all , but mostly contained common ingredients such as turpentine and camphor oil .
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Trimethylamine (TMA) is an organic compound with the formula N(CH 3) 3.It is a trimethylated derivative of ammonia.TMA is widely used in industry. [5] [6] At higher concentrations it has an ammonia-like odor, and can cause necrosis of mucous membranes on contact. [7]
In an electric power system, a fault or fault current is any abnormal electric current. For example, a short circuit is a fault in which a live wire touches a neutral or ground wire. An open-circuit fault occurs if a circuit is interrupted by a failure of a current-carrying wire (phase or neutral) or a blown fuse or circuit breaker .
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The abilities of the electric fish to communicate and identify sex, age, and hierarchy within the species are also made possible through electric fields. EF gradients as low as 5nV/cm can be found in some saltwater weakly electric fish. [27] Several basal bony fishes, including the paddlefish (Polyodon spathula), possess electroreceptors.
System earthing serves a purpose of electrical safety throughout the system that is not caused by a short circuit or other electrical fault.It prevents static buildup and helps protect (as part of a surge protection system) against power surges caused by nearby lightning strikes or switching.