Qalab heersare ah oo ku habboon in lagu gooyo lakabka gaashaanka ee naxaasta ah, birta ama aluminiumka ee lakabka gaashaanka Fiber Feeder, Tube Central, fiilooyinka fiber optic-ga ee dabacsan iyo fiilooyinka kale ee gaashaaman.Naqshad la taaban karo ayaa u oggolaanaysa jaakad ama gaashaan inay ku jeexjeexdo fiilooyinka fiber optic-ga sidoo kale.Qalabku wuxuu goynayaa jaakada polyetylenka iyo hubkiisa hal qalliin.