| 1. | Dirt and other foreign substances also can weaken the insulation, he said.
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| 2. | The federal budget hides more foreign substances than an Olympic village.
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| 3. | The essential oils are mostly pure and contain little to no foreign substances.
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| 4. | Unless excretion is complete, accumulation of foreign substances can adversely affect normal metabolism.
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| 5. | Umpires said he had a foreign substance on his fingers.
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| 6. | The liver works to rid the body of foreign substances.
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| 7. | Why the jump in recalls of drugs containing foreign substances?
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| 8. | But most foreign substances were believed to have entered drugs during the packaging process.
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| 9. | The substance was indeed pine tar, an illegal foreign substance.
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| 10. | Antibodies are proteins the body produces to destroy foreign substances.
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