"The glass must be lead crystal, " Mr. Riedel said.

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Friend vibrates a lead zirconate titanate crystal, and those vibrations twist a spring-like element attached to a rotor.

FORBES: Breakthroughs

But under lead regulation, it would at least be crystal-clear who has the ultimate responsibility for assuring the safety and soundness of every big bank.

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Dr Crystal Smith-Spangler, the lead author of the latest review, said there were many reasons why people chose to eat organic, including animal welfare or environmental concerns.

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