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    Closeup view of cooling pipe transferring liquid nitrogen surrounded by clouds of vapor on plant — Stock Photo
    Closeup view of cooling pipe transferring liquid nitrogen surrounded by clouds of vapor on plant
    Black and white of spiky barbed wire above fence with building on background — Stock Photo
    Black and white of spiky barbed wire above fence with building on background
    Top view composition of various instruments and materials for sanitary works arranged on illuminated red background — Stock Photo
    Top view composition of various instruments and materials for sanitary works arranged on illuminated red background
    Top view composition with various metal instruments for professional repair and maintenance placed on illuminated colorful surface — Stock Photo
    Top view composition with various metal instruments for professional repair and maintenance placed on illuminated colorful surface
    Painted white particle board with exposed square in center — Stock Photo
    Painted white particle board with exposed square in center
    Painted white particle board against red stucco — Stock Photo
    Painted white particle board against red stucco
    Close up of a wall, with rust and paint marks, vandalism and decay. — Stock Photo
    Close up of a wall, with rust and paint marks, vandalism and decay.
    Detail of graffiti paint covering chain-link fence — Stock Photo
    Detail of graffiti paint covering chain-link fence
    White, yellow and black paint covering graffiti tags on building wall — Stock Photo
    White, yellow and black paint covering graffiti tags on building wall
    Painted white particle board against red stucco — Stock Photo
    Painted white particle board against red stucco
    Detail of graffiti paint covering chain-link fence — Stock Photo
    Detail of graffiti paint covering chain-link fence
    Electrical transmission boxes against painted brickwork. — Stock Photo
    Electrical transmission boxes against painted brickwork.
    Inverted abstract image of rusty metal wall, half covered in paint, decay. — Stock Photo
    Inverted abstract image of rusty metal wall, half covered in paint, decay.
    Black and green paint covering graffiti tags on building wall — Stock Photo
    Black and green paint covering graffiti tags on building wall
    Construction supervisor using electronic surveying rod — Stock Photo
    Construction supervisor using electronic surveying rod
    Communications worker preparing to climb pole at his truck — Stock Photo
    Communications worker preparing to climb pole at his truck
    Shop class teacher watching student in workshop — Stock Photo
    Shop class teacher watching student in workshop
    Construction workers signaling excavator operator lifting chain — Stock Photo
    Construction workers signaling excavator operator lifting chain
    Cable installer with cable boxes from truck for installation — Stock Photo
    Cable installer with cable boxes from truck for installation
    Construction workers using torque wrench to secure water main section with bolts — Stock Photo
    Construction workers using torque wrench to secure water main section with bolts
    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
    Excavator operator lifting shoring attached to bucket — Stock Photo
    Excavator operator lifting shoring attached to bucket
    Construction worker holding water main pipe suspended by excavator — Stock Photo
    Construction worker holding water main pipe suspended by excavator
    Construction workers preparing to lift gate valve for water main — Stock Photo
    Construction workers preparing to lift gate valve for water main
    Male student working with copper in shop class workshop — Stock Photo
    Male student working with copper in shop class workshop
    Construction workers preparing for excavator to lift water main into place — Stock Photo
    Construction workers preparing for excavator to lift water main into place
    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
    Excavator operator lifting shoring attached to bucket — Stock Photo
    Excavator operator lifting shoring attached to bucket
    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 moving gate valve on street — Stock Photo
    Construction worker moving gate valve on street
    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 workers digging hole to replace watermain — Stock Photo
    Construction workers digging hole to replace watermain
    Construction workers going down ladders into shoring — Stock Photo
    Construction workers going down ladders into shoring
    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
    Construction workers unhooking old watermain from excavator — Stock Photo
    Construction workers unhooking old watermain from excavator
    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
    Maintenance technicians, one with a spinal cord injury, cleaning in utility truck garage at electric power plant — Stock Photo
    Maintenance technicians, one with a spinal cord injury, cleaning in utility truck garage at electric power plant
    Construction workers guiding water main into place — Stock Photo
    Construction workers guiding water main into place
    Construction workers using torque wrench to secure water main section with bolts — Stock Photo
    Construction workers using torque wrench to secure water main section with bolts
    Construction workers attaching sections of water main together in front of excavator — Stock Photo
    Construction workers attaching sections of water main together in front of 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
    Maintenance supervisors one with spinal cord injury preparing to load shielding onto utility truck — Stock Photo
    Maintenance supervisors one with spinal cord injury preparing to load shielding onto utility truck
    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