![Back-turned-engineer-and-controller-at-construction-site-reviewing-office-blueprints-and-technical-drawings-walk-and-discussing.](https://v6.cdnpk.net/videvo_files/video/partners1650/thumbnails/hbd3e6dab_Kran02180760_small.jpg)
Back turned engineer and controller at construction site reviewing office blueprints and technical drawings walk and discussing.
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