GDFKJH, Tight buffered ulusi wozunguliridwa ndi helical steel hose ndi wosanjikiza wa ulusi wa aramid ngati chiwalo champhamvu, kenako sheath ya LSZH imatulutsidwa kuti ipange kagawo kakang'ono ka kuwala. Mawotchi ang'onoang'ono ndi mawaya amkuwa amangika mozungulira membala wopanda chitsulo chapakati kuti apange chingwe chapakati. Pakatikati pake amakutidwa ndi tepi yotchinga madzi. Pomaliza, sheath yakunja ya LSZH imatulutsidwa. Zida zina za sheath zimapezeka popempha.
