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

VOA: special.2009.11.11

One who concerns himself with it more than the subject is an artist. But remember we are still talking merely of the raw material of poetry.

更多的考虑形式而不是内容的是,艺术家，但是记着我们还是谈论着,诗歌的原始形式。

耶鲁公开课 - 现代诗歌课程节选

Magnesium chloride is the raw material for the production of magnesium.

氯化镁是一种由镁得到的,天然材料。

麻省理工公开课 - 固态化学导论课程节选

In traditional manufacturing processes, such as machining, material is removed from a piece of raw material to produce a part, also known as subtractive manufacturing.

FORBES: 3D Printing Doesn't Live Up To The Hype Yet

Analysts said that Futong achieved a breakthrough in the manufacturing of optical fiber preform, the core raw material for optical fiber production, and is the first enterprise in China that can make this material with the latest all-synthesis technology.

FORBES: Technology Breakthrough Makes Chinese Fiber Optics Entrepreneur A New Billionaire

The expectation of increased spending on roads and railways has helped to lift raw-material prices.

ECONOMIST: For those looking gamely for bright spots, China flickers