Quality water delivery , without releasing harmful matter; 4.

输送水质佳，不会向水中析出有害物质；

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As more and more chemical construction materials and equipment that volatilize harmful matter are being used in construction, the indoor air pollution is becoming more serious.

随着大量能够挥发出有害物质的化工建材和设备在建筑中的使用，室内空气污染日益严重。

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No matter where it comes from, this kind of water is sure to have something harmful in it.

不管这种水来自哪里，肯定含有有害物质。

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Income taxes do matter, and harmful tax policies cause flocks of industry leaders and fledgling small business owners to find a way to successfully maneuver to their best advantage.

FORBES: High Taxes Upset The Apple Cart, And Angry Birds Force Change

The government has had some success targeting primary pollutants, but analysts say it is just beginning to target secondary pollutant problems, including particulate matter that is harmful to human health.

WSJ: China's Pollution Fight Faces Resistance

Most of these deaths occur in developing countries where larger amounts of harmful chemical compounds such as toxic gases and particulate matter are released in the atmosphere.

UNESCO: 2015 For Women In Science Fellows