The test results show that one of the products is mold infested and the other product contains levels of lead that are too high.

测试结果表明，其中一种产品受到霉菌感染，而另一种产品含铅量过高。

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The sodium silicate makes the cork stick to the mold surface and also helps to withstand the charring action of the molten lead alloy.

硅酸钠能使软木粉粘结在模具表面，而且还有助于软木粉耐受熔融铅合金的碳化作用。

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The sodium silicate makes the cork stick to the mold surface and also helps to withstand the charring action of the molten lead alloy .

硅酸钠能使软木粉粘结在模具表面，而且还有助于软木粉耐受熔融铅合金的碳化作用。

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While chances may lead to failure, they will more often lead to success and mold confidence while generating new ideas.

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Dr. Sarah Janssen, a physician and scientist for the Natural Resources Defense Council, an environmental advocacy group, says that she frequently sees patients complaining of symptoms related to toxic levels of mold, lead, formaldehyde and tobacco smoke.

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The sources of these toxins and poisons are often easy to isolate: a leaking roof can cause mold, houses built before 1978 may have lead paint and plywood can off-gas formaldehyde.

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