SA-H120 ndi makina odulira okha ndi ovulira chingwe chotchinga, poyerekeza ndi makina ojambulira mawaya achikhalidwe, makinawa amatenga mgwirizano wapawiri, mpeni wovula wakunja umayang'anira kuvula khungu lakunja, mpeni wamkati wamkati umagwira ntchito kuvula mkati, kuti kuvulako kukhale bwino, kukonza zolakwika kumakhala kosavuta, waya wozungulira ndi wosavuta kusinthira ku chingwe chathyathyathya, Tt's Can kuvula jekete lakunja ndi mkati mwamkati nthawi yomweyo, kapena kuzimitsa mkati. kuvula ntchito yokonza 120mm2 waya umodzi.