Mugihe uhisemo uruganda rwa ERW ruzunguruka, ibintu ugomba gusuzuma birimo ubushobozi bwo gukora, urwego rwa diameter ya pipe, guhuza ibikoresho, urwego rwikora, hamwe ninkunga yo kugurisha. Ubwa mbere, ubushobozi bwo kubyaza umusaruro nikintu cyingenzi kigena umubare w'imiyoboro inganda zishobora kubyara muri ...
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