Xirmooyinka bacaha pneumatic-ka ayaa bixiya waxqabad aad u wanaagsan baakadaha bacda valve. Mashiinka buuxinta budada ah ee xirfada leh waxay hubisaa qiyaasta saxda ah ee alaabta budada ah ee sibidhka, budada suufka ah, hoobiye-qalalan-qallalan, budada polymer iwm.