結果 : is the smoke from fireworks toxic

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2:30

Is fireworks pollution really that harmful?

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Which are more toxic: firecrackers or cigarettes?

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Bad Effects Of Fireworks

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Toxic metals give fireworks the beautiful colours we find magical

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Making Colored Smoke from Basic Materials

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ABC 4 News - Fireworks are bad for your lungs

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Fireworks: terrific but toxic !!

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Toxic smog envelops India’s capital after Diwali fireworks | AFP

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