This all-in-one hatchet multitool—combining an axe, hammer, prybar, and nail puller—was nearly destroyed by rust and wear.

Abraham Lincoln once remarked, “Give me six hours to chop down a tree, and I will spend the first four sharpening the axe.” ...

A pair of extremely rusted pincers appears completely beyond repair after multiple attempts with rust remover fail. When the joint remains seized, the tool is cut apart, machined, cleaned, and rebuilt ...

Abstract: Integrating sustainable energy resources transforms the distribution grid into an active system with higher variations observed in load and generation. Estimating distributed generation, ...