In the meantime, as one of the essential trace elements to human body, copper fiber features some healthcare function.

同时，铜作为人体必需的微量元素之一，纤维又具备一定的保健功能。

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Peking LONSUN Copper fiber Co. Ltd produces and sells high-quality copper fiber, including copper, brass, bronze, environmental copper and other materials.

北京龙兴铜纤维有限公司位于北京市宣武区，主要生产优质铜纤维，有：紫铜、黄铜、青铜、环保型铜及其他铜材料。

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If data backup is required, connect the backup device to the storage server using an extra copper or fiber link.

如果需要数据备份，请用额外的铜缆或光纤链路把备份设备连接到存储服务器。

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It is also a force in digital loop carriers, which convert multiple voice calls into a single digital signal and can use either copper or fiber-optic cables.

FORBES: Laggard

Even the best upcoming broadband wireless technologies from the telcos are nowhere near the 100Mbit or better I can get from from telco to get to the Internet, nor are they as reliable as copper or fiber, and they are orders of magnitude more expensive.

FORBES: Got Wires?

Verizon has been replacing high-maintenance portions of its residential copper network with fiber optics to provide enhanced services and to reduce ongoing repair costs.

ENGADGET: Verizon adds 'record-high' 2.1 million subscribers in Q4 2012, but still makes a loss