1. Cov tsoos tsoos tsoos: cov cuab yeej pneumatic, kev xyaum ua pob zeb, kev xaiv pneumatic, pneumatic ciaj ntswj, pneumatic sandblasting
2. Cov khoom siv tswj hwm thiab cov tshuab thev naus laus zis, xws li hloov khoom siv hauv qhov chaw machining.
3. Lub tsheb nres, lub qhov rooj thiab lub qhov rais qhib thiab kaw
4. Siv huab cua compressed los tshuab cov xov weft hauv huab cua-dav hlau ntaws hloov chaw hloov
5. Khoom noj khoom haus, kev lag luam kws kho mob, siv cua compressed kom do slurry
6. Pib ntawm lub cav loj marine diesel
7. Cua qhov kev sim, kev nkag mus nyob rau hauv av, hlau hlais
8. Roj zoo txhuam
9. Cawv mining nrog kev nyab xeeb siab cua tshuab
