Stem uye mashizha ekuhwisa muchina wakakodzera miriwo yakaomeswa, mashizha etii, chikafu chakaoma kubviswa kwemuviri wekunze, uchishandisa chaiyo giravhiti kusarudzwa, kuwanda kwekupa, mhepo mutemo uye dzimwe nzira.Inogona kubvisa muviri wekunze unorema mune chigadzirwa chakapedzwa, senge: dombo, jecha, simbi;Chiedza chekunze chemuviri, senge: bepa, bvudzi, sawdust, plastiki, sirika donje.