E 'solo un modello. Bello bruna mantenere il sorriso sul suo viso e mettendo la mano sinistra sulla tastiera, mentre guardando in avanti - Foto e immagini stock

Checking own work. Handsome young man sitting at the table and typing on the laptop with one hand while checking the wind turbine sail done by him with the other one, being in the focus

My dream. Silhouette of smiling man that expressing positivity and thinking about new project while sitting at his workplace

Nice invention. Positive young smiling engineer looking inspired by a wonderful realistic tiny model of a windmill generator

Pleasant negotiations. Tall bristled engineer standing in the office and discussing new wind power station project while looking at the wind turbine models on the table

Work with diligence. Pleasant young man sitting at the table and drawing a sketch while thoroughly copying the details of wind turbine construction, being in the focus

Move around. Selective focus of wind turbine model standing on the table while a smiling professioanl engineer touching it and moving its blades

Eco-friendly technologies. The focus being on the hand of a pleasant upbeat man sitting at the table, talking on the phone and touching the blade of a wind turbine model

Eco project. Professional senior engineer working on the project of wind turbines while standing in the office and holding blueprint

Environmental project. Original gifted ambitious team developing a concept of modern wind turbine while creating little samples of possible large scale engines

Aware of the climate change. Creative optimistic skillful guy developing a smaller version of the ecofriendly engines powered by wind while working on the project with his colleagues

Enjoying results. The focus being on three wind turbine models standing on the table while a man with a blueprint in hands looking at them

Effective collaboration. Two cheerful man sitting at the table and discussing a wind power station model while pointing at it with their hands

White windmill. Close up of little model of white windmill standing on table near teenager

Glad to help. Pleasant young man pointing at an important place in the blueprint, explaining it to his senior colleague while the focus being on three wind turbine models

Ambitious project. Motived talented young engineers looking at the blueprints of wind turbines while working on their new project and creating an efficient renewable energy source

Delicate draft. Active diligent excited girl talking on the phone while having a break from working on her ecofriendly energy project