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The laser, with its beam of strong light, can drill a hole in a diamond, and yet can be so well controlled that it can be used in delicate eye operations.

凭着本身强烈的光束，激光可在钻石上钻一个洞，而且可以被很好地控制，因此能用于精密的眼部手术。

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With Tools: Did you notice your honey lost or broke his diamond drill bit?

工具：你的爱人的金刚石钻头丢了或者坏了，你发现了吗？

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First Castle looks for industries making unsexy, overlooked products like diamond-studded drill-bit inserts, airplane toilets and class rings.

FORBES: The LBO Method

It had a tidy business in early 1997 selling coin-size diamond-embedded inserts that fit into larger drill bits used to dig oil and gas wells.

FORBES: Money & Investing