?? ????????? ??? ????? ??? ???? ????????? ???? ????? ??? ????? ??????????? ?????. ????? ??? ??? ??????? ??? ????????????? ???? ?????? ???? ??? ??????? ??:Immediately after employing a sewage procedure jetter, it is a very good notion to check the integrity of your sewer systems using a hydrostatic line tester. If there are actually present leakages