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    Construction worker holding water main pipe suspended by excavator — Stock Photo
    Construction worker holding water main pipe suspended by excavator
    Male student working with copper in shop class workshop — Stock Photo
    Male student working with copper in shop class workshop
    Male instructor watching students welding in workshop — Stock Photo
    Male instructor watching students welding in workshop
    Construction worker using torque wrench to secure water main section with bolts — Stock Photo
    Construction worker using torque wrench to secure water main section with bolts
    Cable lineman pulling cable from reel at site — Stock Photo
    Cable lineman pulling cable from reel at site
    Focused male students in shop class workshop — Stock Photo
    Focused male students in shop class workshop
    Male instructor helping students in shop class workshop — Stock Photo
    Male instructor helping students in shop class workshop
    Lineman working on cables at power pole — Stock Photo
    Lineman working on cables at power pole
    Construction worker preparing water main for installation — Stock Photo
    Construction worker preparing water main for installation
    Engineer installing new membranes in an O2 electrochemical sensor probe in a laboratory — Stock Photo
    Engineer installing new membranes in an O2 electrochemical sensor probe in a laboratory
    Construction worker measuring length of water main section — Stock Photo
    Construction worker measuring length of water main section
    Cable installer adjusting filter on cable connection — Stock Photo
    Cable installer adjusting filter on cable connection
    Male student using carpenters rule in shop class workshop — Stock Photo
    Male student using carpenters rule in shop class workshop
    Engineer rebuilding an O2 electrochemical sensor probe in a laboratory — Stock Photo
    Engineer rebuilding an O2 electrochemical sensor probe in a laboratory
    Lineman with ladder on truck at site — Stock Photo
    Lineman with ladder on truck at site
    Heavy construction equipment operator in excavator — Stock Photo
    Heavy construction equipment operator in excavator
    Lineman on a pole working on phone and cable wires — Stock Photo
    Lineman on a pole working on phone and cable wires
    Engineer rebuilding an O2 electrochemical sensor probe in a laboratory — Stock Photo
    Engineer rebuilding an O2 electrochemical sensor probe in a laboratory
    Construction worker watching as old watermain is removed with excavator from street — Stock Photo
    Construction worker watching as old watermain is removed with excavator from street
    Lineman placing ladder at power pole — Stock Photo
    Lineman placing ladder at power pole
    Construction worker guiding water main into place — Stock Photo
    Construction worker guiding water main into place
    Communications worker drilling access hole through exterior wall — Stock Photo
    Communications worker drilling access hole through exterior wall
    Construction worker guiding chain attached to excavator — Stock Photo
    Construction worker guiding chain attached to excavator
    Engineer in electric power plant adjusting manual valve in condenser room piping — Stock Photo
    Engineer in electric power plant adjusting manual valve in condenser room piping
    Lineman climbing a pole for installation — Stock Photo
    Lineman climbing a pole for installation
    Construction worker using strap on excavator to guide water main section — Stock Photo
    Construction worker using strap on excavator to guide water main section
    Construction supervisor using surveying rod — Stock Photo
    Construction supervisor using surveying rod
    Engineer in electric power plant inspecting a electrically controlled valve — Stock Photo
    Engineer in electric power plant inspecting a electrically controlled valve
    Construction workers taking a break — Stock Photo
    Construction workers taking a break
    Young male student using vise grip in shop class workshop — Stock Photo
    Young male student using vise grip in shop class workshop
    Cable installer applying weather proof sealant to the cable installation — Stock Photo
    Cable installer applying weather proof sealant to the cable installation
    Communications worker installing tags on cable — Stock Photo
    Communications worker installing tags on cable
    Lineman putting ladder back on truck at site — Stock Photo
    Lineman putting ladder back on truck at site
    Female power engineer adjusting water valves at power plant — Stock Photo
    Female power engineer adjusting water valves at power plant
    Lineman getting ladder from truck at site — Stock Photo
    Lineman getting ladder from truck at site
    Communications worker carrying a ladder from truck to make installation — Stock Photo
    Communications worker carrying a ladder from truck to make installation
    Female power engineer putting equipment into bucket truck — Stock Photo
    Female power engineer putting equipment into bucket truck
    Construction worker climbing down ladder into shoring — Stock Photo
    Construction worker climbing down ladder into shoring
    Lineman on ladder working on cable lines on power pole — Stock Photo
    Lineman on ladder working on cable lines on power pole
    Engineer installing new membranes in an O2 electrochemical sensor probe in a laboratory — Stock Photo
    Engineer installing new membranes in an O2 electrochemical sensor probe in a laboratory
    Female power engineer climbing inside safety cage ladder at power station — Stock Photo
    Female power engineer climbing inside safety cage ladder at power station
    Female power engineer checking condensation at power station — Stock Photo
    Female power engineer checking condensation at power station
    Female power engineer using compressed gas cart at power plant — Stock Photo
    Female power engineer using compressed gas cart at power plant
    Male students using equipment in shop class workshop — Stock Photo
    Male students using equipment in shop class workshop
    Construction worker guiding water main into place — Stock Photo
    Construction worker guiding water main into place
    Maintenance supervisor with spinal cord injury moving tow chain in utility truck garage — Stock Photo
    Maintenance supervisor with spinal cord injury moving tow chain in utility truck garage
    Female power engineer preparing canvas bucket in service garage — Stock Photo
    Female power engineer preparing canvas bucket in service garage
    Construction worker preparing to enter shored up hole with shovels — Stock Photo
    Construction worker preparing to enter shored up hole with shovels
    Engineer in electric power plant inspecting manual valve in condenser room piping — Stock Photo
    Engineer in electric power plant inspecting manual valve in condenser room piping
    Portrait of female power engineer with pressure sensor at power station — Stock Photo
    Portrait of female power engineer with pressure sensor at power station
    Engineer polishing O2 electrochemical sensor probe in laboratory — Stock Photo
    Engineer polishing O2 electrochemical sensor probe in laboratory
    Industrial engineer climbing ladder with safety cage at a power plant — Stock Photo
    Industrial engineer climbing ladder with safety cage at a power plant
    Female power engineer adjusting water valves at power plant — Stock Photo
    Female power engineer adjusting water valves at power plant
    Female power engineer sorting through scaffolding at power plant — Stock Photo
    Female power engineer sorting through scaffolding at power plant
    Construction worker using saw to cut through old water pipe — Stock Photo
    Construction worker using saw to cut through old water pipe
    Female power engineer preparing canvas bucket in service garage — Stock Photo
    Female power engineer preparing canvas bucket in service garage
    Female power engineer moving flexible drainpipes — Stock Photo
    Female power engineer moving flexible drainpipes
    Female power engineer adjusting pressure valve at power station — Stock Photo
    Female power engineer adjusting pressure valve at power station
    Communications worker getting supplies from truck — Stock Photo
    Communications worker getting supplies from truck
    Construction worker cutting water main to length with gas powered saw — Stock Photo
    Construction worker cutting water main to length with gas powered saw