Mist can­non among tools used to fight heavy smog

China Daily (Canada) - - NEWS CAPSULE -

Heavy smog that has been cov­er­ing many cities in north­ern China has caused some au­thor­i­ties to bring out pol­lu­tion-fight­ing ar­tillery.

The mist can­non, which is not well-known but gain­ing pop­u­lar­ity, is a large ma­chine mounted on a truck that sprays wa­ter mist.

It was ini­tially used at con­struc­tion sites and mines to re­duce dust. But en­gi­neers have im­proved the ma­chines to make them re­lease tinier droplets of mist for com­bat­ing fine air­borne par­ti­cles, said Xu Yuexin, an en­gi­neer with Bei­jing Cap­i­tal Group Boom-sound En­vi­ron­ment Science & Tech­nol­ogy Co Ltd, which pro­vides the mist can­non ser­vice in parts of the cap­i­tal.

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