The utility model is characterized in that the both sides of a supporting plate of a plastic rubber body align with the both sides of a lower copper piece.

其中接地铜片之下部铜片系以弯折型态夹置于内盒塑胶体之支持板；

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The method involves a piece of copper covered with light sensitive bitumen.

该方法用到一片铜片，上面用光敏感的沥青覆盖。

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All you need to do is cut a lemon in half and place each piece on both spikes of copper and zinc and you're good to go.

你需要做的只是将一个柠檬切成两半，一半放在铜钉上，另一半放在锌钉上，这样就可以了！

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Putting tin directly onto the copper piece would reduce the manufacturing steps and costs, Norton said.

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This is a piece of copper foil 20cm square that has 696 rings, a portion of which is reproduced above.

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Everything from the ancient brass light switches and the copper bathtubs to the 12-foot alligator floor piece was hoarded by the peripatetic Mr. Yeh.

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