Timagwiritsa ntchito makina owumitsira ma wigs, zipewa ndi helmets.Zopangidwa mwapadera kuti zisamalidwe ndi wig, zimagwiritsa ntchito ukadaulo wowumitsa mpweya wofewa kuti ziume bwino, kuchepetsa kutentha kwa zingwe za tsitsi ndikutalikitsa moyo wautumiki, kukhala wothandizira bwino wa wig.
Zimagwiranso ntchito bwino kwa zipewa ndi zipewa, zokhala ndi ntchito zowumitsa ndi zochotsa fungo.