Isihlungi samehlo ngumatshini ophucuke kakhulu oyilelwe ukuhlelela ngokuzenzekelayo imathiriyeli ngokusekelwe kwiimpawu zazo ezibonakalayo, ezifana nombala, imilo, ubungakanani, kunye nokuthungwa. Ukusebenzisa iisistim zombono eziphambili, iikhamera, kunye nabenzi boluvo, abahluli be-optical banokubona umahluko ochuliweyo...
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