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RE: “Stemit Engagement Challenge S4-W3 | My daily transportations of using Rikshaw and Motorbike by @alihussian07 #burnsteem25

in Steem Entrepreneurs • 4 years ago

yeah I am a student of Chemistry and environmental chemistry is our core subject and we have to check all these particulate matter, carbon monoxide in the air so that is why this is core part of our study

4 years ago in Steem Entrepreneurs by
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     4 years ago 

    Oh, wow. That's nice. Good luck friend

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