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The material is significantly hardened and strengthened by impurities from the smelting process, such as carbon. A certain proportion of carbon (between 0.2 and 2.1%) produces steel, which may be up to 1000 times harder than pure iron. Crude iron metal is produced in blast furnaces, where ore is...

Processed rice seeds must be boiled or steamed before eating. Boiled rice may be further fried in cooking oil or butter (known as Fried rice), or beaten in a tub to make mochi.

Iron metal has been used since ancient times, though lower-melting copper alloys were used first in history. Pure iron is soft (softer than aluminium), but is unobtainable by smelting.

Cement used in construction is characterized as hydraulic or non-hydraulic. Hydraulic cements (e.g.,Portland cement) harden because of hydration, chemical reactions that occur independently of the mixture's water content; they can harden even underwater or when constantly exposed to wet weather.

The grains of basmati rice are longer than most other types of rice. Cooked grains of Basmati rice are characteristically free flowing rather than sticky, as with most long-grain rice. Cooked basmati rice can be uniquely identified by its fragrance. Basmati rice is available in two varieties: white...

Rice is a good source of protein and a staple food in many parts of the world, but it is not a complete protein: it does not contain all of the essential amino acids in sufficient amounts for good health, and should be combined with other sources of protein, such as nuts, seeds, beans, fish, or meat