@yogthos Oh the French construction industry did this with the nazi occupation in the '40 too !

OCR Output (chars: 382) 


If you add two pounds of sugar to
literally one ton of concrete it will ruin
the concrete and make it unable to set
properly which is good to know if you
wanna resist something being built,
French anarchists used this to resist
prison construction in the 80s

@​ run-up-the-sail

I'm just gonna go ahead and reblog this
for purely educational purposes.

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