Across
- 4. Pencils are graded according to ...
- 5. A... machine makes holes.
- 6. A reddish brown metal.
- 8. A composite material used to build houses.
- 11. Fragile, easily damaged.
Down
- 1. A ... machine cuts flat metal surfaces.
- 2. To cover or separate with a material that prevents the passage of heat, electricity or sound.
- 3. A semicircular instrument for measuring angles.
- 7. Noun of hot.
- 9. Pouring liquid metal into a mould to cool and solidify.
- 10. Opposite of straight.
- 11. An alloy formed by mixing copper and zinc.