Dear @dabua,
Please be informed that the steemstem tag concerns posts about Science, Technology, Engineering, Mathematics. I advise you to be careful about which tags you are using at your posts.
There are certain guidelines for posts regarding STEM so I am inviting you to read this link for more information.
In case of any questions, feel free to join us @steemstem on discord or to take a look at the FAQs
Greetings,
Katerina
