Alloys
| Alloy | Mixture | Use |
| Solder | 70% Tin, 30% Lead | Joining wires and pipes |
| Brass | 60-95% Copper, 5-40% Zinc | Taps, hose/pipe fittings, zips, screws |
| Bronze | 90% Copper, 10% Tin | Ornaments, bells, bearings |
| Mild Steel | 99.5% Iron, 0.5% Carbon | General structural purposes, cars |
| Hard Steel | 99% Iron, 1% Carbon | Blades |
| Stainless Steel | 74% Iron, 18% Chromium, 8% Nickel | Corrosion resistance |
| Alnico | Iron/Aluminium/Nickel/Cobalt | Permanent Magnets |