Waa aalad u adeegsata tignoolajiyada gudbinta hydraulic ee ka shaqaynta cadaadiska, kaas oo loo isticmaali karo in lagu dhammaystiro foornooyinka kala duwan iyo hababka samaynta cadaadiska. Tusaale ahaan, been-abuurka birta, samaynta qaybo dhismeed oo bir ah, xaddididda badeecadaha caagga ah iyo alaabta caagga ah, iwm.
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