The 3 things I learned when I had my foundation repaired that shocked me were: slab edges are fragile
https://medium.com/@theredfuro/residential-foundation-repair-checklist-3-things-to-know-before-you-call-7e4716c36b3a
The 3 things I learned when I had my foundation repaired that shocked me were: slab edges are fragile, heavy equipment chips corners, and protection boards are worth requesting.