Metal Finishing

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

alloy buffing emery cloth grades hand oil polish polishing waste wrapped

To clean metal you would use , working down through the . The emery cloth is often around a file to keep it flat . A drop of will help to remove the metal produced. Fine of copper and aluminium can be done with a machine or by with metal .