orifice flange for Dummies
Biasanya, angkur jenis ini dipasang langsung ketika proses pengecoran beton masih berlangsung, atau saat beton masih dalam kondisi basah dan belum mengeras/kering.The air blast blows absent the ionized gases and arcing goods, bringing about arc extinguishing. Due to the fact this treatment takes place very frequently, the arcing time is frequently