Belt ebufe mmetụta rola nkịtị

N'elu ihe nkedo mmetụta bụ nke na-ekpo ọkụ vulcanized nkedo rọba elu, nke nwere àgwà nke eyi-eguzogide, mmetụta na-eguzogide, mgbochi ịka nká, ọ dịghị mkpọtụ, mgbochi static, elu elasticity, onwe mmanu, ọ dịghị ịdọrọ ebu eriri. ibelata nguzogide na ike dị ala maka njem njem dị anya. A na-etinye ya n'okpuru ebe a na-anata ihe na-ebufe iji belata mmetụta nke eriri eriri ma gbasaa ndụ ọrụ nke eriri eriri.