Angle grinders were originally designed for sharpening tools, not cutting metal. elaborate
Allen wrenches are also known as hex keys, but the name "Allen" is a trademark of the Allen Manufacturing Company, not a generic term. elaborate
Some air compressors use a desiccant dryer to remove moisture from the compressed air, preventing rust and other problems. elaborate
Slip-joint pliers, a common type, were invented by William Petersen in 1845. elaborate
Miter saws got their name from the "miter joint," a type of angled joint they're specifically designed to cut, which is often used in picture frames. elaborate
Frame straighteners, used in auto body repair, often utilize hydraulic pressure, not just brute force, to gently realign damaged metal. elaborate