Mechanism of metal powder rolling where powder weight keeps constant before and after powder rolling, is different from that of conventional dense metal rolling.

金属粉末轧制机理与传统的致密金属轧制机理不同，在这里适用的是粉末轧制前后粉末重量相等原理。

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Powder Metallurgy is a process for making parts from metal powder.

粉末冶金是用金属粉末制作部件的过程。

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A metal powder is thus produced.

金属粉末就这样产生了。

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The spray-on metal powder is 50% to 70% iron.

FORBES: Magazine Article

Behind a tinted glass panel 18-carat gold powder, laid down by a robot arm, sparkles as a laser fuses the metal into complex three-dimensional shapes, layer by layer.

BBC: How tech is transforming jewellery

According to the criminal complaint, police were called to a Texas residence on Tuesday where they discovered bomb-making components including a galvanised metal pipe, fuse, lighter and explosive powder in bags.

BBC: Texas fertiliser plant blast: Criminal probe launched