manhole Definition

sewage, sewer, drain, manhole cover, culvert, drainpipe, pipe, elevator shaft, drainage ditch, hydrant, septic tank, sump, cistern, sinkhole, chimney, downspout, standpipe, underpass, outfall, pipework, soakaway, hose, sidewalk, duct, spillway, trench, creek bed, stairwell, crawlspace, retaining wall, ventilation shaft, flue pipe, dumpster, creek, debris, nullah, transformer, pond, ravine, roadway, gutters, waterline, mineshaft, backhoe, substation, overpass, cesspipe, drains, tunnel, alleyway, driveway, crevice, stairway, staircase, cavern, excavation, walkway, shaft, excavator, floor joist, embankment, ledge, guardrail, workmen, hatchway, underbridge, compactor, stopcock, pavement, switchyard, scaffolding, catch basin, basement, spruit, penstock, trash bin, aqueduct, crane, grate, fire hydrant, sump pump, leachate, riverbed, alley, attic, fountain, pedestrian bridge, manway, vat, soil pipe, pipage, lightning arrester, downpipe, subgrade, drainage, orchestra pit, carport, ditches, sprinkler system, garage,