You ever see a janitor or cleaning person or someone with a similar job use a floor buffer, also known as a floor cleaner or floor polisher? They typically use it very calmly and slowly (and, for some reason, always while listening to music, podcasts, or whatever else you can listen to via earphones). They make it look so easy. Guess what? It isn’t. Check it out:
No amount of military training could have prepared him for that.
[via Reddit ]