O-mphete angagwiritsidwe ntchito m'njira zosiyanasiyana chifukwa amapangidwa kuchokera ku zipangizo zosiyanasiyana.O-mphete nthawi zambiri amapangidwa ndi mphira, kapena makamaka polima / elastomer.Ma polima awa nthawi zambiri amachiritsidwa ndi vulcanization, zomwe zimapangitsa kuti pakhale zida zolimba, zolimba komanso zotanuka kwambiri.P-ri...
Werengani zambiri