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Students’ Leaf Blower Suppressor To Hit Retail
(hackaday.com)
This is a most excellent place for technology news and articles.
When loudness is described there's often lists with examples of things with their typical loudness specified in dB, so you can compare against things you may have heard.
See the image chart here
https://decibelpro.app/blog/decibel-chart-of-common-sound-sources/
I have done a lil research but what i needed was this site. Great resource, maybe even coolguides material.