orifice flange for Dummies
Their technique of arc quenching control is actually very one of a kind compared to the performing of oil circuit-breakers. In most cases, They're normally carried out for very low-voltage interruption.Angkur tipe ini dipasang saat beton masih basah dan belum mengeras. Cara pemasangannya adalah dengan menempatkan angkur di dalam cetakan beton sebel