The cast steel and high chromium cast iron were used respectively as handle and head material of hammer respectively.

分别采用高铬铸铁和碳素钢作为锤端和锤柄。

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Die head material and processing:Use high-quality steel, after quenching and tempering, grinding the inside surface of the polished mirror surface plating treatment;

模头材质及加工：选用优质钢材，经调质处理，研磨内侧表面，抛光镜面电镀处理；电镀。

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The vector magnetic hysteresis model is used as the magnetization process of the medium and the measured values of the head material are used as the head's hysteresis model.

介质磁化过程遵循矢量磁滞模型，用磁头材料的测量值作为磁头的磁滞模型。

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They also can become weak, expel material from the stomach, and suffer pain in the head or muscles.

VOA: special.2010.04.20

Fuller was head of a company that made a light-weight building material.

VOA: special.2010.05.30

Another kind of creative problem, though, is when you don't have the right kind of raw material kicking around in your head.

WSJ: Jonah Lehrer on How to Be Creative

Deacon is arguing that scientists can accept head on, the notion that conscious thought is not material, and yet in principle can be explained in natural terms by a sort of architecture of constraints.

FORBES: Book Of The Year: The Return Of Teleology

The profuse material culture of handcrafted objects includes floats, costumes, head ornaments and animal masks.

UNESCO: Intangible Cultural Heritage