Ana yin ƙarin kayan aikin injiniya ta hanyar yin daidai gwargwado na yumbu saboda kyawun kayan aikinsa na zahiri.
Ga wasu misalai na samfuran yumbu masu daidaito. Barka da zuwa aiko min da zane-zanenku don neman shawarar fasaha.
Ilimi - Daidaiton Yumbu