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particulate matter

A group of people gather at a coffee shop in Shanghai to learn how to put together simple air filters with a fan and velcro.

If you can’t afford an expensive air filter to deal with the smog in China, you can build a DIY model

Business, Economics and Jobs

When the air is “crazy bad” in China, some people turn to a simple DIY project for help.When the air is “crazy bad” in China, some people turn to a simple DIY project for help.

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