Ayyukan Silinda na yau da kullun ana sarrafa su ta hanyar bawul na pneumatic, lokacin da ake buƙatar buɗe bawul ɗin pneumatic don sarrafa ƙarshen ƙarshen silinda da shayewa a ɗayan ƙarshen, buƙatar rufe bawul ɗin pneumatic zai sarrafa sauran ƙarshen ƙarshen ci gaba na asali, don haka kowane aiki yana da sautin shayewa. Pneumatic bawul kuma shine dawowar bazara shine ƙarshen abin sha don buɗe bawul ɗin, rufewa kawai rufaffiyar shayewar iska ta gefen bazara yana da alhakin rufewa. Ayyukan wannan bawul ɗin ɗaya ne daga cikin sautin shaye-shaye na biyu.
