सामग्रियों के लिए यह क्यों महत्वपूर्ण है
Construction is the tonnage baseline everything else is measured against. It is also where alloying elements do their quietest work: a few hundred grams of niobium per tonne of steel lets a bridge be built with less of it.
यह किससे बना है
सभी सामग्रियाँ →| सामग्री | यह यहाँ क्या करता है | महत्त्व |
|---|---|---|
| Cement | Concrete | परिभाषित करना |
| Construction Sand & Gravel | Aggregate in concrete and asphalt | परिभाषित करना |
| Copper क्रिटिकल | Wiring and plumbing | परिभाषित करना |
| Iron & Steel | Structure, rebar and rail | परिभाषित करना |
| Iron Ore | Steel | परिभाषित करना |
| Manganese क्रिटिकल | In every tonne of steel | परिभाषित करना |
| Metallurgical Coal | Blast-furnace reduction | परिभाषित करना |
| Zinc क्रिटिकल | Galvanising | परिभाषित करना |
| Aluminium क्रिटिकल | Facades, windows and structure | महत्त्वपूर्ण |
| Crude Oil | Asphalt and plastics | महत्त्वपूर्ण |
| Gypsum | Plasterboard | महत्त्वपूर्ण |
| Lime | Steel refining and soil stabilisation | महत्त्वपूर्ण |
| Niobium क्रिटिकल | High-strength low-alloy steel | महत्त्वपूर्ण |
| Vanadium क्रिटिकल | Rebar strengthening | महत्त्वपूर्ण |

Cement
Powdered limestone and clay cooked at 1,450 C, which sets hard when mixed with water — the glue that holds concrete…

Construction Sand & Gravel
The most-mined material on Earth by weight, and the one nobody thinks of as mining.

Copper
The reddish metal that carries electricity better than anything except silver, and which humans have been smelting…

Iron & Steel
Iron with a little carbon in it, and the most-produced manufactured material on the planet.

Iron Ore
Rust-coloured rock that is roughly one-third to two-thirds iron, and the single largest tonnage the mining industry…

Manganese
A brittle grey metal that steel cannot be made without, and that is now being used to stretch scarce nickel and…
