1. Kudzivirirwa kwezvakatipoteredza, hutsanana (zvakadai semarara emumba, kuchenesa tsvina, nzvimbo ine chepfu uye ine ngozi yekurasa zvinhu, imba yekuchengetera zvinhu zvine njodzi, marara emaindasitiri, kuvaka uye kuputika marara, nezvimwewo). 2. Kuchengetedzwa kwemvura (senzizi nemadziva reservoir dam dam seepage,...
Verenga zvimwe