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Worker on pipes at chemical plant
2 men examining blueprints in field
Construction worker guiding crane
2 men examining plans on worksite
Engineer working on oil rig
Construction worker 01
2 men with blueprints in field pointing
2 men examining blueprints outside
Concerned man and woman with blueprints
2 men with plans in field, shaking hands
Construction worker directing crane
2 men with plans in field, one on phone
2 men with plans in field, one on phone
Worker climbing ladder carrying solar panel for roof of new home, Netherlands
2 men and 1 woman examining plans on car
2 men and a woman examine plans by lake
Workers installing solar panel on roof framework of new home, Netherlands
Workers with blueprints at oil refinery
