Itshintsha izibonakaliso kwikhebula lobhedu kwiimpawu ezihamba kwifiber, yenza ikhebula enye "ibukeke" njengenye ikhebula ngaphandle kokutshintsha ubunjani benethiwekhi.
Itshintsha izibonakaliso kwikhebula lobhedu kwiimpawu ezihamba kwifiber, yenza ikhebula enye "ibukeke" njengenye ikhebula ngaphandle kokutshintsha ubunjani benethiwekhi.