roofer working
One of the puzzles is disconnected from the overall structure
roofer working
Engineers wearing safety gear discussing work at an oil refinery factory
Close up of man working on architecture project with mobile phone to design building model
Professional builders and crane truck working on roof construction
Professional builders and crane truck working on roof construction
Man architect working with laptop and building model to design construction plan
Man architect working with tablet to plan construction layout on building model
Close up of coworkers analyzing building model and maquette to plan construction structure
Professional builders and crane truck working on roof construction
Close up of man working on architecture project with mobile phone to design building model
Close up of coworkers analyzing building model and maquette to plan construction structure
African american architect working with digital tablet to design blueprints plan and building model
Close up of man and women analyzing building model to plan construction design and structure
Silhouette industrial factory building framework in construction site against colorful twilight sky
Close up of woman working with mobile phone to design building model and maquette
Real estate technical architect with headphones pointing at building construction
Close up of man and women analyzing building model to plan construction design and structure
Diverse geneticists cooperating for making research at work
Home renovation making additional home space, building materials, construction
Silhouette factory building framework with worker working overtime in construction site at sunset
Close up of man architect using digital tablet to design building model and layout in office
Man architect explaining building construction structure to his engineer collegue
Man architect explaining building construction structure to his engineer collegue
Therapist senior man discussing bone structure analyzing anatomy body skeleton
Man architect explaining building construction structure to his engineer collegue
Close up of architects placing blueprints plan on table to work on urban project with building model
Diverse geneticists cooperating for making research at work
Man architect explaining building construction structure to his engineer collegue
