EVERYTHING ABOUT ALUMINIUM PLATE

Within an ACB, the arc is interrupted by directing a substantial-velocity blast of compressed air onto the arc zone. The superior-velocity air cools and sweeps away the ionized gases, facilitating arc extinction. Supaya pengunaannya tepat, maka para petugas lapangan konstruksi perlu mengenal tentang tabel angkur baja. Info di setiap kolomnya akan