Escape mask use precautions

The fire escape mask requires the ambient temperature to be between zero degrees Celsius and 40 degrees Celsius. It is equipped in hotels, restaurants, office buildings, shopping malls, schools, kindergartens, hospitals, theaters, restaurants, apartment buildings, residential buildings, etc., and t

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Degradable plastic or listed within five years

HC Plastics News: Degradable plastics that can be disposed of with food residues will be placed on shelves for five years, as long as scientists can find the original way to use "gum" for packaging. Degradable plastic or listed within five years Researchers at Warwick University in the

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