Ruzha rwakaderera zvakanyanya, magadzirirwo ari nyore kushandisa:
Mota yemagetsiinoderedza kumanikidzwa kweruzha nemadecibel makumi maviri kusvika makumi matatuzvichienzaniswa neinjini yedhiziri. Pamwe chete nedhizaini yenzvimbo isingapindi ruzha, inosangana nezvinodiwa zvekuvaka husiku munzvimbo dzine hunyanzvi dzakadai senzvimbo dzekugara mumaguta, zvipatara, nezvikoro, zvichivandudza nzvimbo yekushandira.
Mhepo yakachena inobva, zvichiita kuti pave nemhando yekushanda:
Dhizaini isina mafuta pamwe chete nesystem yekusefa inoshanda zvakanyanya inopaISO 8573-1 KIRUNGWA 0Mhepo isina mafuta yakamanikidzwa, ichidzivirira kusvibiswa kwemafuta. Yakakodzera zvikuru kumaindasitiri ane zvinodiwa zvakanyanya zvemhando yemhepo, zvakaita sekugadzira chikafu, kupfapfaidza nemazvo, uye michina yekurapa.