An engineer accepts a tanker vehicle with lubricants and controls the transfer into 1000-liter cans. - stock photo

An engineer accepts a tanker vehicle with lubricants and controls the transfer into 1000-liter cans. He is wearing jeans, a blue blouse, and a reflective vest. He wears a white helmet and prescription glasses. He has a long white beard. He describes the cans on his tablet. He stands with his back to the camera.