Metal thread feeding machine is one of the refining equipment outside the steel-making furnace, which is quite important to improve steel-making quality.

喂丝机是炉外精炼设备之一，它对提高钢的质量具有十分重要的意义。

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" Or the officer's epaulets, circa 1820: "embroidered with gilt-metal thread in scrolling foliate designs, six-pointed silver metallic stars and gilt-brass buttons.

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For the switch, I sewed paths of conductive thread that become bridged by the metal zipper pull when it passes by.

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There's a metal tube in the middle with dozens of needles that act like robotic claws, grabbing pieces of thread and knitting them.

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