Borehole Drilling: Borehole drilling is performed to assemble specific specifics of the sub-floor conditions. We use a variety of drilling strategies including auger, rotary, and percussion to accommodate various soil sorts.?????? ?????? ???? ???? ???? ??? ??? ???? ??? ???? ???? ??? ??????? ????? ?????? ???? ???? ??? ????? ???????????? ????? ???? ?