1. Ingano zitandukanye: Ukurikije imiterere, umutego wamazi urashobora kugabanywa mubwoko bwa P na S.Ukurikije ibikoresho, irashobora kugabanywamo ibyuma bidafite ingese, PVC na PE imiyoboro.Ukurikije diameter ya pipe y'umutego w'amazi, irashobora kugabanywamo 40, 50, DN50 (umuyoboro wa santimetero 2, 75, 90 ...
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