1.Qhov tshuab yog tswj los ntawm cov huab cua compressed, yog li lawv yog qhov tsim nyog hauv kev tawg-resistant-resistant lossis noo noo lossis thaj chaw noo noo.
2. Vim tias ntawm cov pneumatic tswj thiab tshuab kev ua haujlwm, nws muaj qhov siab txhaws qhov yog.
3. Cov ntim ntim tau hloov kho siv cov ntsia hlau thiab cov txee, uas muab cov khoom hluav taws xob yooj yim thiab tso cai rau tus neeg teb xov tooj nyeem lub txee.
4. Thaum koj yuav tsum nres lub tshuab thaum muaj xwm ceev, thawb khawm ceev. Lub piston yuav rov qab mus rau nws qhov chaw pib thiab kev txhaws yuav tsum nres tam sim ntawd.
5. Ob hom kev sau rau koj xaiv - 'phau ntawv' thiab 'Auto'.
6 .. Cov khoom siv tsis zoo yog tsis tshua muaj neeg tsawg.
7. Cov khoom siv cov khoom siv yog xaiv tau.