1. Imiqondo ehlukene I-Hot-dip galvanizing, eyaziwa nangokuthi i-hot-dip galvanizing kanye ne-hot-dip galvanizing, iyindlela ephumelelayo yokunqanda ukugqwala kwensimbi, esetshenziswa kakhulu ezindaweni zesakhiwo sensimbi ezimbonini ezihlukahlukene. Iwukucwilisa izingxenye zensimbi ezikhishwe ukugqwala ku-molt...
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