I-grinder yenziwe nge-aluminium alloy eqinile nekhwalithi ephezulu ukuze kuqinisekiswe ukusebenza okuhle kakhulu nokuqina.
Amazinyo edayimane abukhali aqinisekisa ukuhlanekezela okubushelelezi kanye nomphumela ophelele wokugaya.
I-grinder iqine ngokwanele, futhi ihlinzeka ngokulawula okungcono kunezinye izigayi, ukuze ukwazi ukwazi ukucoleka noma ukuqina kokugaya ngokunembe kakhulu.