Tshiab pneumatic hloov cua sov tshuab rau automatic / phau ntawv hom hloov
1. Siv tsis siv neeg / phau ntawv hom hloov ntawm yuav
2. Ob chav-chaw nres tsheb cov lus
3. Kev sib tsoo tag nrho-pov thawj cov qauv qhia kev tsheb nqaj hlau tsim
4. Cov phaj siab thev naus laus zis
5. Tshaj ntxiv tuab daim txhuam cev ncoo