Mukova wesimbi usingapindi moto unoumbwa negonhi remusuwo, mashizha emusuwo uye mashizha emusuo akagadzirwa nezvinhu zvesimbi. Iyo yemukati shizha remusuwo izere neyakavhurika-inoshamwaridzika murazvo wemoto retardant uye thermal insulation zvinhu, uye yakashongedzerwa nemoto hardware fittings. Mukova wesimbi wesimbi wakabatwa nekuvharwa kwemoto panosangana shizha regonhi uye furemu yegonhi uye kutenderedza girazi remoto, izvo zvinosimudzira zvakanyanya kushanda kwemoto.