spillway, falsework, weir, dam, dike, graving dock, culvert, forebay, pilings, revetment, fishway, headrace, levee, pontoon, riprap, reservoir, breakwater, bulkhead, grouting, caissons, riser pipe, silt, gabion, penstock, sluiceway, millrace, retaining wall, barge, girder, wellhead, roadbed, berm, lockmaster, seawall, gabions, bilge pump, formwork, soakaway, seafloor, sediment, seepage, waterline, sluices, outfall, sumps, abutments, crane, bailey bridge, hydrates, leachate, clarifier, dry dock, dredging, oxbow, scaffolding, streambed, pontoon bridge, steelwork, sandbags, footings, flume, breeches buoy, groyne, jetty, reinforced concrete, underdrain, reservior, inlet, flange, crossbeams, pier, tailrace, gusset plate, headstay, flue pipe, freeboard, clarifiers, standpipe, manway, containment, bascule bridge, subbase, floor joist, bascule, embankments, overtopping, gusher, piping, gunite, lagoon, windlass, slurry, hatchway, subgrade, winch, subfloor, davits, sandbars, seawater, flowage, cavern, excavation, caisson, trestle, cofferdams, bridge, manhole, enclosure, magnet, silo, tank, casing, chute, fence, girders

chamber

pneumatic caisson