Zvinodiwa zvekupfeka:
1. Kuramba kupfeka, kuramba kukwenya, kuramba ngura, kuramba kuoxidation uye mamwe mafirimu ekushanda
2. Firimu risingapindi mvura uye rinodzivirira kusvibiswa
Maitiro eZhenhua Program:
-
Ipai michina yekuputira inoenderana uye rutsigiro rwehunyanzvi rwekuputira kwepakati kune vagadziri veindasitiri nevatengi.
-
Ipa mhinduro dzinoshanda, dzemhando yepamusoro uye dzisingadhuri dzekuvandudza zvinhu zvitsva uye kukura kweindasitiri.
