Onye na-eweta ihe nchekwa gburugburu ụwa

Ngwaahịa a dakọtara nke ọma na rọba dị iche iche ma enwere ike iji ya dị ka tackifier, plasticizer, na softener.Usoro ya siri ike, ọ naghị emetụta njirimara vulcanization nke ihe ndị na-emepụta roba, nke na-eme ka ihe dị mma nke anụ ahụ dị mma nke roba vulcanized.A na-ejikarị emepụta ngwaahịa rọba dị ka taya, eriri V-belt, akpa rọba, rollers roba, efere rọba, lining roba, wires na eriri, ogige na-atụgharị taya, wdg.