This paper presents the results of investigation on the attraction of laser to the electric arc plasma in laser-tungsten inert gas (TIG) hybrid welding of magnesium alloy AZ31B plates. By comparably ...

An arc flash inside a manhole set back repairs, according to Hawaiian Electric, and forced HECO to shut off power to about 3,000 customers in Chinatown, parts of downtown and Nu'uanu. Four HECO ...