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RE: “Stemit Engagement Challenge S4-W3 | My daily transportations of using Rikshaw and Motorbike by @alihussian07 #burnsteem25
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
Oh, wow. That's nice. Good luck friend