PTK97
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About PTK97
PTK97 is a short video channel that answers questions about science, life, and knowledge around us - Thank you for your support of PTK97 channel- All the content in the video is collected and selected with key ideas to Answer questions in a concise, easy-to-understand manner. Please contact us if there is a content safety issue
www.tiktok.com/t/ZTdwpkt9c/