1. Tswj ntsuas valve kev co;
2. Lub tshuab hluav taws xob actuator nres tsis ua haujlwm;
3. Qhov tsim tawm ntawm hluav taws xob actuator muaj qhov sib txuas ntev;
4. Servo amplifier rhiab heev dhau heev;
5. Qhov hluav taws xob actuator valve txoj hauj lwm tawm suab teeb liab muaj qhov yuam kev loj;
6. Kev xaiv cov twj hluav taws xob tsis tsim nyog, thiab lwm yam.

