(1) Ukufunxwa kunye nokuhlamba: Kwiibrashi zomgubo owomileyo ezineentsalela zokuthambisa ezincinci, ezinje ngeebhrashi zomgubo kunye neebrashi eziblush.(2) Ukuhlamba i-friction: Isetyenziselwa iibrashi ezifana nekhrim, njengeebhrashi zesiseko, iibrashi zokufihla, iibrush zamehlo, kunye neebrashi zomlomo;okanye iibrashi zomgubo owomileyo ezinobuninzi c...
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