Butterfly mavharuvhu anoshandiswa mumhando dzakasiyana-siyana dzakadai semiti yekuchenesa mvura, kugadzira chikafu, makemikari zvirimwa, etc. Aya mavharuvhu anokanganisa kushanda mumaindasitiri aya achimirira kutumirwa.Semuenzaniso, mumushonga wekugadzirisa mvura, uko basa guru revhavha nderekugadzirisa kuyerera kwemvura, nguva yekuderera nekuda kwevhavha isingawaniki inogona kutungamirira kumvura yakachena isina kukwana, iyo inogona kukuvadza hutano hwevanhu.

Nortech ndeimwe yeanotungamira maindasitiri ekugadzira mavharuvhu muChina ane quality certification ISO9001.