Uma kuziwa ekuphatheni imibhalo, ukuba namathuluzi afanele kungenza umehluko. Isikhwama esikhulu se-EVA semibhalo yisixazululo esisebenzayo futhi esisebenzayo esifeza izidingo zochwepheshe, abafundi, futhi noma ngubani ovame ukuphatha amaphepha abalulekile. I-EVA, noma i-ethylene-vinyl acetate, iyinto eqinile eyaziwa ngokuqina kwayo kanye nezakhiwo ezilula, ukuyenza ibe yi-choi efanele