duction machine for a city water utility for washing sludge on the side of a highway for cleaning underground infrastructure,

action asphalt blockage blockages blocked city clean cleans clog clogged deposits dirty disposal drain drainage elimination equipment erosion facilities flow gutter hole hydraulic industrial industry infrastructure machine pipe pipeline pipes plumbing preparation professional readjustment rehabilitation repair road safety sewage sewer solid steel street suction sumps tool transport treatment underground urban waste water wells worker