Zigawo zofunika kwambiri zolumikizirana (ma impeller ndi ma liners) zimapangidwa kuchokera ku chitsulo cholimba kwambiri, chosatha kutha kapena ma alloys apadera ndipo zimakonzedwa bwino kuti zipirire kutha kwa kuuma kwa zinthu zotsutsa (monga corundum, silicon carbide, ndi spinel), zomwe zimawonjezera nthawi ya zida ndikuchepetsa ndalama zokonzera.
Kuwongolera kwambiri mawonekedwe a zinthu zotsalira;
Matope omwe amasakanizidwa ndi kusakanikirana amakhala ofanana komanso ofanana, ndipo salekanitsa;
Pansi pa mfundo yotsimikizira kuti pulasitiki ndi yolimba, kuchuluka kwa chisakanizocho kumakhala kwakukulu, ndipo palibe kusasunthika kwa matope.