TOP GUIDELINES OF BESI SCAFFOLDING

Considered one of The main groundbreaking circuit breaker systems is definitely the air blast circuit breaker (ACB).  It is made to quench the arc made during the interruption of a fault recent by a superior-velocity air blast.Angkur tipe ini dipasang saat beton masih basah dan belum mengeras. Cara pemasangannya adalah dengan menempatkan angkur di