Secondly, if an equivalent weight is added on the high side and thirdly, by shifting weights from the low side to the high side.
Okwesibini, ukuba ubunzima obulinganayo bongeziwe kwicala eliphakamileyo, okwesithathu, ngokutshintsha ubunzima ukusuka kwicala elisezantsi ukuya kwicala eliphakamileyo