I-GJYFJH - Amafayibha aqinile azungezwe ngesendlalelo sezintambo ze-aramid njengelungu lamandla. I-LSZH yangaphakathi sheath ikhishwa ku-fiber enebhafa eqinile ukuze kwakheke iyunithi engaphansi yokubona. Khona-ke ama-sub-units nama-filler optical axhunywa kumgogodla wekhebula. Ekugcineni, i-sheath ye-LSZH ikhishwa ngaphandle komgogodla. Ama-fillers angenziwa ngezinye izintambo eziphakeme kakhulu nezinye izinto ze-sheath zitholakala ngokucela.