Isebenzisa i-SS yezikhonkwane nezixhumanisi zangaphandle, kanye nepulasitiki yobunjiniyela ekhethekile (i-matte white,POM noma i-PA6) kuzixhumanisi zangaphakathi, ukumelana nokugqwala okungcono kunochungechunge olujwayelekile.Kodwa-ke, xwayiswa lapho ukhetha ukuthi ubukhulu bomthwalo obuvunyelwe ngu-60% wochungechunge olujwayelekile.