Izinto ezifakwe elayiniwe zisho into yokupakisha eyakhiwe ngokuhlanganisa izingqimba ezimbili noma ngaphezulu zefilimu yepulasitiki nezinye izinto ngongqimba oluyisibopho. Izikhwama zokupakisha ze-ayisikhilimu ezenziwe nge-lamine azigcini nje ngokuba nezakhiwo ezinhle kakhulu zokungangeni manzi, ukumelana ne-oxygen, kanye ne-UV, kodwa futhi zinemiphumela emihle ekulondolozweni nasekugcinweni kuka-ayisikhilimu. Ngesikhathi esifanayo, banezici ezinhle ezifana nokumelana nomthelela, ukumelana nezinyembezi, nokumelana nokugqoka, okungavikela u-ayisikhilimu ekufinyeleleni abathengi uphelele futhi ungonakalisiwe.