Esi sikhwama senziwe ngezinto ezintathu ezidibeneyo (i-MOPP / PET / PE), uluhlu lwangaphandle luyifilimu ye-MOPP, kunye nefuthe elibandayo lihle ukuvakalelwa, okwenza kube yinto ephezulu. Umaleko ophakathi lulusu olumhlophe olugqunywe nge-PET, enokuthintela ukukhanya kwaye ithintele imitha ye-ultraviolet. Umaleko wangaphakathi yi-PE, enepropati elungileyo yokutywina kunye nepropathi yothintelo oluhle.
Ibhegi eneziphu inokutywinwa ukuze iphinde isetyenziswe.