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Wheat flour, the main raw material for bread may broadly be classified into high protein protein over 11%, medium protein flour protein 8-11% and low protein flour protein below 8%.

小麦面粉是制作面包的主要原料，它大体可分为高蛋白质面粉(蛋白质含量超过11%)，中量蛋白质面粉(蛋白质含量8 ~ 11%)和低蛋白质面粉(蛋白质含量低于8%)。

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Barley is the main raw material for beer production.

大麦是酿造啤酒的主要原料。

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Iron ore, the main raw material of steel, changed the lakes area and the nation.

VOA: special.2009.11.11

For 3, once nylon had been discovered and proven useful, the race was on, given the supply of cheap oil (the main raw material) post WWII, from the Arabian Gulf.

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The main reason for Apple announcing a lower gross margin outlook for Q3 was the uncertainty behind the raw material supply chain issues prevailing during the last few quarters due to the Japan tragedy.

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