Hazvinei kuti ipombi yemvura yakaita sei, inoita ruzha chero bedzi yatangwa. Ruzha rwekushanda kwakajairika kwepombi yemvura inopindirana uye ine humwe ukobvu, uye unogona kunzwa kukwira kwemvura. Manzwi asina kujairika marudzi ese anoshamisa, anosanganisira jamming, simbi friction, ...
Verenga zvimwe