VIDEO
Research shows impact of flushing toilet using lasers and cameras
https://mol.im/a/13037111#v-4355724019618593953
Will flushing with the lid down stop your bathroom being peppered with the dreaded 'toilet plume'? Scientists test age-old theory and make a very surprising discovery
https://www.dailymail.co.uk/sciencetech/article-13037111/Lid-Scientists-reveal-best-way-flush-toilet.html
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