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1, Advance kuumbwa, yakakwana yekugadzira maitiro, yakasimba maitiro ekudzora, yakavimbika uye yakatsiga vimbiso yemhando

2, Kuumbwa kwakasiyana kunovimbisa rubber elasticity effect

3, Chisimbiso chinoshanda chinogadzirisa dambudziko rekudonha kwemafuta

4, Kuita kwakanaka kwemafuta-uchapupu uye kusvibiswa kudiki kumafuta etransformer

5, Kusarudza zvinhu zvakanyatsonaka uye kugadzira zvakanaka kunosimbisa chisimbiso chinoshanda.