| ELEMENT | ITS ALLOYS | ITS COMPONENTS |
| Aluminium | Duralium Magnalium Alnico | Al + Mn + Cu + Manganese Al + Magnesium AL + Ni + Cu + Fe (Ni is nickel) |
| Iron (Fe) | Steel Stainless Steel | Fe + C (c is carbon) Fe + Cr + Ni + C (Cr is chromium) |
| Copper (Cu) | Brass Bronze German silver | Cu + Zn (Zn is zinc) Cu + Tn (brown Tn) Cu + Zn + Ni (no silver in German silver) |
| Lead (Pb) Tin (Sn) | Solder Rose metal | Pb + Sn Pb + Sn + Bi |
Some Important Fuels:
| Solid fuel | Hydrazine |
| Liquid fuel | Liquid H2 |
| Teflon | Insulating material |
| Water gas | H2+ CO |
| Producer gas | N2+ CO |
| Coke gas | CH1+ H + CO |
| Mustard gas | War gas |
| Sarin gas | Nerve gas |
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