Werkzaamheden heeft verricht. Grijs-haired senior man zitten aan de tafel en met behulp van een gradenboog tijdens het werken aan de oprichting van een blauwdruk - Stockfoto’s en -afbeeldingen

Professional blueprint. Serious nice smart man sitting the table and using drawing tools while working on a technical blueprint

Life work. Senior focused male engineer looking down while using pencil and creating blueprint

Absorbed in thoughts. Grey-haired senior man sitting at the table, holding a pair of compasses and looking at them, thinking about something

Skillful engineer. Serious nice senior man sitting at the table and holding a pair of compasses while working in the office

Experienced professional. Grey-haired senior man sitting at the table, holding a pair of compasses to draw a blueprint and looking intently at one of its parts

Necessary equipment. Pleasant grey-haired senior engineer sitting at the table, holding a compass and reaching his hand to take a pencil while working on a blueprint

Difficult work. Serious successful male engineer looking down while holding compasses and concentrating

His brainchildren. Upbeat senior man sitting at the table with a blueprint spread on it and reaching out his hand towards wind turbine models standing on the table

Saving environment. Happy cheerful male engineer staring at windmills model while standing and grinning

Full of gladness. Cheerful content skillful engineer sitting at the table and drawing a blueprint while working in the office

Sustainable energy. Happy joyful positive man looking at the windmill models and smiling while working on the eco project

Save the planet. Positive smiing professional engineer holding blueprint and looking at eco turbines models while working in the office

Lets start working. Close up of drawing tools in hands of positive pleasant skillful engineer working on the blueprint

Lively discussion. Charming young man sitting at the table, talking on the phone and reaching his hand to take a rolled blueprint

Keep smiling. Cheerful pensioner female keeping smile on her face while standing on the foreground

Listen to me. Glad positive male engineer talking on phone while gesturing and explaining work of windmill