PB SECRETS

Sebelum melaksanakan perekatan, maka sebaiknya tembok harus dirapikan terlebih dahulu memakai potongan kayu. Pada saat melakukan sambungan, dilakukan jarak 2 cm pada sambungan Pb overlapping.Bronze plate is really an alloy consisting primarily of copper, frequently with about twelve–twelve.five% tin and often Using the addition of other metals (i