Ngokuthuthukiswa kwezidingo zokuqina zomcibisholo, ubulukhuni nobubanzi bomkhono we-shaft wensiza yayo yokusebenza buyanda, ukuphazamiseka komkhono we-shaft kukhula kancane kancane, futhi amandla okucindezela abalwe ngokwethiyori nawo...
Funda kabanzi