Peb cov hydraulic breakers ua raws li tag nrho cov me me, nruab nrab thiab loj excavators ntawm kev ua lag luam, thiab kev tawm tsam quab yuam thiab kav ntev yog ua rau theem kev lag luam. Thiab peb tuaj yeem muab 12 lub hlis lav lub sijhawm thiab peb nyob ntawm koj qhov kev pabcuam 24 teev ib hnub.