Zogulitsa zamakampani zimagawika m'magulu atatu: zophatikizika zokhala ndi zoterezi, chitetezo chimakhala chovuta komanso mankhwalawa. Chochita chochititsa chidwi chimatha kutaya electrode, makumi amagetsi ndi zamankhwala ultrasound complent. Zogulitsa zoteteza zimakhala ndi bandeji ya elastic ndi chigoba chozizira kwa maso. Zogulitsa mankhwala ali ndi silikane, odana ndi matumbo a isotonic amatsitsi, acuputuid magnetic mankhwala, chifuwa champhamvu kwambiri, chitoliro chozizira cha malungo ndi zowawa.