Vharuvhu yebhora ye1 1/4 inch chishandiso chinodzora kuyerera kwemvura chinoshandiswa zvakanyanya mumaindasitiri, mabhizinesi, uye mudzimba. Dhizaini yayo diki, kugara kwenguva refu, uye kugona kubata mvura ine simba rakawanda zvinoita kuti ive yakakosha mupombi, mafuta negesi, kugadzirisa makemikari, kurapwa kwemvura, uye HVAC...
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