Zida za pneumatic hydraulic ndi zida zomwe zimapangidwira kuti zikhazikike mwachangu ndikuchotsa zoteteza chingwe. Kugwira ntchito kwawo ndi ntchito zimadalira mgwirizano wa zigawo zingapo zofunika. Zigawo zazikuluzikulu zimaphatikizapo makina operekera mpweya, pampu ya hydraulic, triplet, pneumatic actuator, hydraulic actuator, mapaipi, ndi chipangizo choteteza chitetezo.