@bydk.facts: The screw that stripped on you warned you first. Your drill has a dial you've never turned. Your level is curved on the inside. Five fixes already built into the tools in your drawer 🔧 For more lastest videos, please support my YouTube Channel by subscribing to it! Thank you! Sources: US Patents 2,046,839 (1936) and 2,474,994 (1949); Johnson Level; Black+Decker CD121 manual #tools #engineering #didyouknow #learnontiktok #designedthatway