Ntau yam, sib txawv cov duab, nrog kev kub ceev hluav taws xob zeb los yog cov cuab yeej pneumatic txhawb kev siv (tseem tuaj yeem ntsia tau rau ntawm lub tshuab cuab yeej).Dav siv nyob rau hauv machinery, tsheb, shipbuilding, tshuaj lom neeg kev lag luam, khoom siv tes ua carving thiab lwm yam sectors, tsuas yog siv nyob rau hauv pwm ua thiab manufacturing;Chamfering, chamfering thiab grooving ntawm mechanical qhov chaw;Ntxuav cov flanges, burrs thiab welds ntawm cam khwb cia, forged thiab welded qhov chaw;Pipeline, impeller khiav tiav ua tiav;Arts and crafts carving of metal and non-metal material (pob txha, jade, pob zeb).