A man in a gray hoodie applies cement on a wall.
A man in a gray hoodie applies cement on a wall. across
from the camera, two men are shown using scraper and solder as well as arm work as well as ripping cement with the scraper. the room, a man is demonstrating how to make a machine. from him, a man in a striped hoodie, applies cement on a wall, too. the room, a young man is sitting in an easy chair.