Apuesto técnico pensativo con barba y casco en chaleco de seguridad mirando hacia otro lado durante su trabajo - Foto e imagen de stock

St. Petersburg, Russia - April 19, 2016: Electrician specialist conducts maintenance work on a high voltage transformer. Long probe fixes the wires for grounding.

Portrait of young engineer in a factory

Work on the background of the interior of the plant.,3D render

Foreman or worker work at factory site check up machine or products in site. Engineer or Technician checking Material or Machine on Plant. Industrial and Factory.

Maintenance engineer checking technical data of heating system equipment in a boiler room

Panoramic shot of bearded engineer in white coat near air supply system

Panoramic shot of cheerful bearded engineer in white coat near air supply system

Bearded engineer in white coat checking compresses air system

Panoramic shot of bearded engineer in white coat holding digital tablet and pointing with finger at air supply system

Handsome bearded engineer in white coat holding digital tablet near air supply system