1. Pneumatic nruas nres yog ib hom nruas nres. Nws cov qauv tsim yog me me, thiab cov tsos zoo nkauj heev, xim yog ci, thiab kev zoo nkauj yog siab heev.
2. Kev hnav tsis kam ntawm tus nres yog qhov zoo heev, nws tsis yooj yim rau kev poob thaum siv, thiab kev ua haujlwm ruaj khov heev. Lub brake pads muaj lub neej ntev heev thiab ruaj khov heev.
3. Daim ntawv thov ntau yam ntawm pneumatic nruas nres yog dav heev. Nws tuaj yeem siv rau hauv metallurgy, nqa, mining thiab lwm yam lag luam, thiab tuaj yeem siv rau hauv cov chaw nres nkoj, wharfs thiab lwm qhov chaw.
4. Thaum siv cov khoom siv, peb kuj yuav tsum xyuas seb cov khau khiab nres puas raug teeb tsa zoo, seb cov khoom puas ua haujlwm zoo, thiab seb cov khoom puas tig tau yooj yim. Yog tias muaj teeb meem, nws yuav tsum tau kho lub sijhawm kom ntseeg tau tias cov khoom siv ua haujlwm zoo li qub.
