Golaha 'Escalator silsilad-ku-gudubka' waxaa lagu heli karaa laba, saddex ama shan burush. Waxay ka kooban tahay burushyo, ferrules, tuubbooyinka tuubbada saliida, tuubooyinka naxaasta leh, ee ku habboon nuts, qaybo mitirka ah iyo baloogyada saliida.
