Nachdenken müssen. Der grauhaarige Senior-Ingenieur sitzt am Tisch und blickt konzentriert auf den Bauplan. Er berührt seinen Kopf, während er sich mit Schutzhelm auf den Schreibtisch lehnt - Stockfoto & -bild

Lost in thought. Profile of qualified old bearded engineer is sitting at table with blueprints and looking aside pensively while holding glasses. Copy space in the left side

Get some energy. Low angle portrait of pleasant gray-haired engineer is leaning over table and drinking coffee while looking at his project with concentration. Flip chart on background

Feeling hopeless. Profile of serious old bearded man is sitting at table and looking at his documents while holding glasses. Blueprints, safety helmet, headphones and pencils are on desk. Copy space

Favorite job. Portrait of happy gray-haired senior engineer with beard is sitting at table with safety helmet and working on design plan. He is looking at camera with smile

Senior builder, engineer in reflective vest uniform and hard hat on desk in office on background of large TV screen with , browsing in laptop and looking through papers or sketches.

Absorbed in work. Professional elderly architect is sitting at table and looking at sample in his hand with concentration. He is leaning on desk and touching his temple thoughtfully

Important job. Portrait of serious bearded engineer is leaning on table and looking at his project with concentration. Safety helmet is on desk. Copy space in the right side

Hilarious repairman is holding gadget and looking at camera with bright smile. Portrait

Half length of smiling foreman officer inspector holding clipboard in arms indoors while looking away in studio. Human emotions and face expressions concept. Copy space in right side

Waist up of young positive foreman holding clipboard in arms indoors. He is looking at camera while wearing work clothes in studio. Human emotions and face expressions concept

Cheerful foreman is holding folder and talking to his colleague. They wearing protective hats

Half length of handsome Caucasian foreman officer inspector with pursed lips holding clipboard in arms indoors while looking away in studio. Human emotions and face expressions concept. Copy space in

Cheerful foreman is holding folder and looking ahead with smile. He touched to hardhat. Portrait

Happy builder holding drafts and looking at camera with smile. His colleague using special tool. Portrait

Hilarious builder is looking at window with wide smile. He putting arms on hand-made table. Profile