01 Ayizizo ezi hokhi zendlebe kuphela eziluncedo kubadlali, kodwa zikwafanelekile kwabo baphila ubomi obusebenzayo okanye basebenze kwiindawo ezifunwa ngumzimba. Ngokomzekelo, abasebenzi bokwakha, abasebenzi bezandla, okanye nabani na ohambahambayo ebila ebila unokungenelwa kukuzinza kwezi hoki zendlebe.
Ngaphezu koko, izinto ze-silicone ziqinisekisa ukukhululeka okukhulu nangona zinxitywe ixesha elide. Oku kubaluleke ngakumbi kwabo banxiba iindondo imini yonke, njengabasebenzi baseofisini okanye abafundi abachitha ixesha elide befunda okanye besebenza kwiikhompyutha.
Ukongezelela, ezi zikhonkwane zendlebe zifanelekile kulabo abaneemilo zeendlebe ezikhethekileyo okanye ubukhulu, njengoko izinto ze-silicone ziyakwazi ukuziqhelanisa ngokulula kwii-contours ezahlukeneyo, zibonelela ngokufanelekileyo. Oku kuluncedo ngakumbi kubantu abafumana umngeni ukugcina iiglasi zabo zisendaweni ngenxa yokuma kweendlebe zabo okanye ubungakanani.