Silhouette Close up face two professionals technicians in hard hat using a large blueprint. Engineers working discussing on ecological
Silhouette man engineer in hard hat stand look at camera holds a large blueprint on ecological station in the evening. Wind turbines
Portrait of African American engineer in hard hat standing on wind warm with blueprint in hand. Man working at ecological station near Wind turbine
Portrait of African American engineer in hard hat standing on wind warm with blueprint in hand. Man working at ecological station near Wind turbines at sunset
The group of architects engineers and workers in hard hat discusses blueprint
Tilt up of professional male and female construction engineers in hard hats discussing blueprints inside unfinished building
Portrait of an engineer in a hard hat at the production blueprint in hands.
Portrait of an engineer in a hard hat at the production blueprint in hands.
Portrait of an engineer in a hard hat at the production blueprint in hands.
Portrait of an engineer in a hard hat at the production blueprint in hands.
Portrait of an engineer in a hard hat at the production blueprint in hands.
Portrait of an engineer in a hard hat at the production blueprint in hands.