(1) Ibisobanuro bya coupler bigomba kuba kimwe na diameter yo hanze yumuyoboro wicyuma.
. Igomba kwemerwa ko buri coupler yujuje ibisabwa.
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5) Uburebure bwa buri mugozi urangirira gusohoka kuva ku nkombe yigifuniko kigomba kuba munsi ya 100mm.
Igihe cya nyuma: Sep-16-2022