How particles can reach 5feet within 8 seconds - with some particles in the air for minutes after a flush

📹John Crimaldi (Nature Scientific Reports)

https://t.co/xhW7KWCu9m https://video.twimg.com/amplify_video/1775386059905355776/vid/avc1/748x720/UgKD-4W-MC7BCY3y.mp4?tag=14