Love this genius tip for comparing fractions. Great way for kiddos to check their reasoning!
Mind Blown! You don't need a calculator now!
Wall Hung Workbench Plan - Workshop Solutions Projects, Tips and Tricks | WoodArchivist.com
Suporte Para Esmerilhadeira-profissional-produto Brasileiro
Pascal's law and mechanical advantage
Know Your Stuff: The 110 Best DIY Tips Ever - Popular Mechanics
12ft --- normally you’d be on the same side as the rope, for easier lifting
Add a lock for tech class...Mobile Tool Cabinet Woodworking Plan, Workshop & Jigs Shop Cabinets, Storage, & Organizers
"Human Dimension & Interior Space" by Panero and Martin Zelnik -- one of the best "design for human ergonomics" books out there.: