Ingenieros industriales de pie frente a una gran maquinaria de refinería de petróleo con planos a mano - Foto e imágenes de stock

Cheerful african refinery manager handshaking with senior worker in front of fuel-tanks

Oil and chemical co-workers in refinery plant

Chemical industrial manager and senior worker at petrochemical plant

Group of professional construction workers and architect on site

Petrochemical co-workers working at refinery plant

Group of architect and construction workers on site with blue print

Project manager using binoculars looking at the construction site with workers

Two heavy industry workers working in plant

Factory manager and worker looking at production plan

Mine manager and workers at quarry discussing future plan

Portrait of young african american construction manager

Two male industrial managers working in electricity power plant

Handsome african construction engineer with blue print

Smiling african american construction worker in office

Two electrical managers in power plant

Portrait of cheerful construction engineers