@AnarchoNinaWrites you're spot on.
You may already know it, but back in the 40s the US Army circulated a Simple Sabotage Field Manual which is quite an interesting historical artifact with absolutely no possible relevance or application to modern times.
Just wanted to mention it for historical purposes.
https://www.cia.gov/static/5c875f3ec660e092cf893f60b4a288df/SimpleSabotage.pdf