Mavharuvhu ebhora ane zvidimbu zviviriisarudzo yakakurumbira mumaindasitiri nemabhizinesi akawanda, kunyanya pakudzora kuyerera kwemvura. Mavharuvhu aya anoshandiswarudzi rwevharuvhu yekutendeuka kwekotaiyo inoshandisa bhora rine goko, rakaboorwa, uye rinotenderera kudzora kuyerera kwemvura, mhepo, mafuta, nezvimwe zvinwiwa zvakasiyana-siyana. Kune mavharuvhu ebhora ane zvidimbu zviviri, PVC chinhu chakajairika nekuda kwekugara kwayo kwenguva refu uye kuramba kwayo ngura.

Basa revharuvhu rebhora rine zvidimbu zviviri riri nyore asi rinoshanda. Kana mubato wevharuvhu watenderedzwa, bhora riri mukati mevharuvhu rinotenderera kuti ribvumire kana kudzivirira kuyerera kwemvura. Izvi zvinoita kuti rive rakakodzera kushandiswa kunoda kudzora kuyerera kwacho kwakanyatsojeka. Vharuvhu rebhora rine zvidimbu zviviri rakagadzirwawo kuti rive nyore kuchengetedza nekugadzirisa, zvichiita kuti rive mhinduro inoshanda kumaindasitiri mazhinji.

Kune mavharuvhu ebhora ePVC ane zvidimbu zviviri, chinhu ichi chine zvakanakira zvakawanda. PVC (kana kuti polyvinyl chloride) chinhu chinoshandiswa muthermoplastic chinozivikanwa nekudzivirira kwayo makemikari zvakanaka, zvichiita kuti chive chakakodzera kushandiswa kana mavharuvhu akasangana nemarudzi akasiyana-siyana emvura. Pamusoro pezvo,PVC yakareruka uye iri nyore kuisa nekubataInogara kwenguva refu, zvichiita kuti ive sarudzo inogara kwenguva refu uye yakavimbika yemavharuvhu ebhora ane zvidimbu zviviri.

Rimwe remabasa makuru evharuvhu yebhora ine zvidimbu zviviri nderekuvharira zvakasimba. Dhizaini yevharuvhu inoita kuti ive yakachengeteka kana yakavharwa, zvichidzivirira chero kubuda kwemvura inodzorwa. Izvi zvakakosha mukushandiswa uko kubuda kwemvura kunodhura kana kune njodzi. Zvinhu zvePVC zvinoshandiswa mumavharuvhu ebhora ane zvidimbu zviviri zvinoita kuti vharuvhu irambe yakavharwa kwenguva yakareba, kunyangwe kana yakasangana nemakemikari akasimba kana kupisa kwakanyanya.

Chimwe chinhu chakakosha chevharuvhu yebhora ine zvidimbu zviviri kugona kudzora kuyerera kwemvura. Nekungotenderedza mubato, mwero wekuyerera kwemvura unogona kugadziriswa kuti usvike pazvinodiwa zvekushandisa. Iyi nhanho yekudzora inokosha mumaindasitiri mazhinji, kubva kumafekitori ekuchenesa mvura kusvika kunzvimbo dzekurapa makemikari. Zvinhu zvePVC zvinoshandiswa mumavharuvhu ebhora ane zvidimbu zviviri zvinoita kuti zvikwanise kusangana nezvinodiwa zvekutonga kuyerera kwemvura yekushandiswa kwakasiyana-siyana.

Mavharuvhu ebhora ane zvidimbu zviviri ane mukana wekuti ari nyore kupatsanura nekugadzirisa. Izvi zvinonyanya kukosha kumavharuvhu ebhora ane zvidimbu zviviri ePVC, uko hunhu hwechinhu ichi hwakareruka uye hunogara kwenguva refu hunoita kuti mabasa ekugadzirisa nekugadzirisa ave nyore uye asingadhuri. Izvi, pamwe chete nekugona kwayo kudzima zvakasimba uye kudzora kuyerera kwemvura, zvinoita kuti vharuvhu yebhora yePVC ine zvidimbu zviviri ive sarudzo yakavimbika uye inoshanda kune akasiyana mashandisirwo.

Muchidimbu, basa revharuvhu rebhora rine zvidimbu zviviri (kunyanya rakagadzirwa nePVC) nderekuvhara zvakasimba, kudzora kuyerera kwemvura, uye kuve nyore kuchengetedza. Pakudzora kuyerera kwemvura, mhepo kana makemikari, mavharuvhu ebhora ane zvidimbu zviviri isarudzo inoshandisika uye yakavimbika kune maindasitiri mazhinji. Dhizaini yayo iri nyore asi inoshanda pamwe chete nezvakanaka zvePVC zvinoita kuti ive mhinduro yakanaka kune akasiyana mashandisirwo.