Sandblasting

A worker, fully equipped with protective gear, skillfully sandblasts a large piece of industrial metal, ensuring a smooth and clean surface. The Expensive Lie In the finishing industry, there is a common way to hide a mistake: just spray over it. A part comes off the truck with layers of old scale, microscopic oils, or deep-seated oxidation. A low-tier shop might give it a quick wipe-down, hit it with a standard polyester powder, and send it out the door. On Day 1, it looks f