Kurwanya icyuzi cya pisine
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Imyenda yo kurwanya icyuzi
Imyenda ya PVC irwanya seepage ikoreshwa cyane mumiyoboro, ibigega, ibidengeri bya shimi, cesspits, ibitoro bya lisansi, ibiyaga byumunyu, inyubako, imyanda, gutunganya amazi mabi yo murugo, hamwe na tanki fermentation ya biyogazi.
