Considerations To Know About #kadar oc timah
Sebelum melaksanakan perekatan, maka sebaiknya tembok harus dirapikan terlebih dahulu memakai potongan kayu. Pada saat melakukan sambungan, dilakukan jarak two cm pada sambungan Pb overlapping.It appears like you were being misusing this aspect by going also quick. You’ve been temporarily blocked from employing it.Dalam hal ini ketebalan dinding