olemus
kogemusepõhine üldine tegutsemispõhimõte,
konkreetsest olukorrast sõltumatu
= a general operating principle based on experience, independent of the specific situation

ülevaateid
https://en.wikipedia.org/wiki/Rule_of_thumb

näiteid
https://sentence.yourdictionary.com/rule-of-thumb

https://www.kn-i.com/blog/security-rules-of-thumb/

https://wou.edu/las/cs/csclasses/cs161/Lectures/rulesofthumb.html

https://www.home-machine-shop.com/Rules_Thumb_Engineering.pdf

https://www.nationalbronze.com/rules_of_thumb_for_mechanical_engineers.pdf

http://ndl.ethernet.edu.et/bitstream/123456789/40265/1/185.pdf

https://dl.icdst.org/pdfs/files1/6a51bf52b79d86bdf1913fc25a1700ba.pdf