Rau lub pob zeb drilling qhov tob ntawm 0-5 meters, koj tuaj yeem xaiv qhov cua-ceg pob zeb xyaum ua haujlwm nrog lub tshuab cua me me hauv qab 8bar. Pob zeb xyaum yog siv dav hauv kev tsim kho qhov av, kev tsim kho hauv nroog, quarries thiab lwm yam xwm txheej ua haujlwm vim tias lawv cov compactness, yooj, thiab tus nqi qis. Peb muaj ntau hom pob zeb laum qauv thiab ntau yam cua compressors rau cov neeg siv khoom xaiv. Nyob rau tib lub sijhawm, peb kuj muab cov cuab yeej zoo drilling thiab pob zeb pob khoom.