What do the numbers on the plastic containers mean?
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ALAMIN: Ano ang ibig sabihin ng mga numero sa plastic bottles?
What the numbers on the bottom of plastic bottles and containers mean
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What do the numbers on plastic mean?
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recycling symbols on plastic containers
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How do we know if our food and water plastic containers are safe?
What Does The Number On Plastic Bottles Mean? | Plastic Bottles' Codes And Safety For Reuse
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Don't Microwave Food in Plastic Containers!
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