Man working in a machine shop using compound material
A man is using a roller to apply polishing to a material that being process with heavy machinery.
A man dips a paint roller into a tray of paint then begins to paint an object on a conveyor belt
The man works in a factory applying polishing compound to the surface to bring out the reactivity of the material.
The worker sticks the paint roller into the paint and then turns around to paint the machine.
A man is showing how to apply Polishing Compound to the surface of material to bring out it's reflection.
A man take a rolling brush with a long handle and uses it on a machine.
A worker applies polishing compound to the material on the conveyor belt.
A man in uniform is polishing something with a tool.
A man uses a roller on a long pole to apply something to a moving conveyor.