POOR AIR QUALITY ALERT! HOW TO CHOOSE A PROPER MASK?
Every day a person breathes in 10,000 to 20,000 liters of air, which is equal to 40 to 80 bathtubs. Even if one does not smoke, serious air pollution increases the chance of getting cancer. In the face of serious air pollution, how can we prevent it? According to experts, the only way to protect yourself …
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