Answers

2016-06-29T05:00:47+08:00
1.) Cover/Protect your nose with/using a handkerchief or nose masks.

2.) Otherwise, Protect your nose using a issue if ever you don't have it, use your hand. 
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2016-06-29T05:04:00+08:00
I go with the motto: "Always Bring a Handkerchief"

so you can use it to cover your nose from pollution in the environment.

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