5 ESSENTIAL ELEMENTS FOR SINTRA

In an ACB, the arc is interrupted by directing a high-velocity blast of compressed air on to the arc zone. The large-pace 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. Facts di setiap kolomnya akan sangat bermanfaa