This tool allows you to climb or descend stairs with large loads and minimizes the risk of back injuries. 🤓
Find more at https://t.co/gq3dJOkwWZ
🎥 Mitchell#engineering pic.twitter.com/xslUbqVML2
— Interesting Engineering (@IntEngineering) October 18, 2020
from http://twitter.com/IntEngineering
via IFTTT… Lire la suite
