Technology- Metal

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Across
  1. 3. The condition of being protected from or unlikely to cause danger, risk, or injury
  2. 4. Produce (a hole) in something by or as if by boring with a drill.
  3. 6. Using a file to make a piece of metal smooth or trying to make it into a shape.
  4. 7. A link formed by overlapping the edges of metal sheets or plates and joining them.
  5. 9. Neaten and smooth the rough edges or ridges of (an object, typically one made of metal)
  6. 11. A hand tool with a squared, beveled blade for shaping wood, stone, or metal.
  7. 12. you wear this so that the sharp metal bits don't get into your skin
  8. 13. stop the stair lift immediately if anything is blocking it’s progress along the stairs
  9. 14. A steel tool used with a hammer to make holes for screws and drill bits.
  10. 16. metal, the chemical element of atomic number 29. A ductile metal, it is a very good conductor of heat
  11. 17. Paper with sand or another abrasive stuck to it, used for smoothing or polishing woodwork or other surfaces.
  12. 19. A metal made by combining two or more metallic elements, esp. to give greater strength or resistance to corrosion.
  13. 20. A type of resistance welding for joining the edges of sheets.
  14. 21. A tool with a roughened surface or surfaces, typically of steel, used for smoothing or shaping a hard material
Down
  1. 1. you wear this to protect your clothes frm getting dirty
  2. 2. A tool with a heavy metal head mounted at right angles at the end of a handle
  3. 5. Coat (iron or steel) with a protective layer of zinc
  4. 8. a thin piece of metal, usually with a pointed end and a flat top shaped to hold a tool, that is forced into wood or metal by turning, and is used esp. to join two pieces or to hold something in place
  5. 10. a silvery ductile metallic element found primarily in bauxite
  6. 15. The process of damaging or destroying metal.
  7. 18. Join or fasten (plates of metal or other material) with a rivet or rivets.