However, on a portable system that has to rely on the battery, power becomes a precious commodity.

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And it is a truly precious power.

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Plus, blocked shots often are collected by the penalty killers and sent down the ice with impunity, killing precious seconds until the power-play team can get it back and attack again.

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Two Rangers power plays in the third cut out precious time the Capitals could have had to net the tying goal.

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But we are a precious long way from using solar and wind power to replace oil in any noticable way.

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Jeffrey Sherman, portfolio manager for commodities at investment firm DoubleLine, said his fund continues to hold precious metals as a hedge against the currency-eroding power of loose monetary policies.

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The precious metals bulls are fading and need to step up and show fresh power soon to avoid serious near-term chart damage.

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Rare gems and precious metals, made into fabulous designs by renowned craftsmen, have often served as symbols of wealth and power.

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Bill embodied the unrestrained and unpredictable power of the United States, but his frustrated rage appeared to be honest, and honesty is a rare and precious thing.

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From 30 precious milligrams drilled out of the sample they extracted mitochondrial DNA. The mitochondria, a cell's power packs, are the much-modified descendants of bacteria that took up residence in the ancestors of modern animal and plant cells a billion years ago.

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