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Learn Applied Science, earn certificates with free online courses from MIT, University of Michigan, Columbia University, The Open University and other top universities around the world. Read reviews to decide if a class is right for you.
Learn to restore a vintage brush cutter mower with Machinery Restorer. This 1-2 hour material covers disassembly, repair, powder coating, and reassembly.
Learn to build your own ultrasonic cleaner with Branchus Creations. Understand its working, usage, and troubleshooting in less than an hour.
Learn to build a powerful electric scooter with Dr. D-Flo. This 1-2 hour program covers everything from fabricating parts to wiring and testing. Perfect for DIY enthusiasts.
Learn to restore a 1910s saw blade filer with Hand Tool Rescue. The material covers disassembly, repair, and reassembly in under an hour.
Learn to repair a Marshall JCM800 Lead Series amplifier with Retro Tech & Electronics. Understand testing, biasing, and reassembling in under an hour.
Learn to install a dust collection system in a woodshop with 3x3Custom - Tamar. This under 1-hour material covers assembly, ductwork, and smart boost technology.
Learn to replace a speed handle with a steering wheel on a PM935 milling machine, including 3D printing a prototype hub adapter and slotting a keyway, with Clough42.
Learn to inspect used chainsaws before purchase with Steve's Small Engine Saloon. Understand safety issues, major repairs, and avoid scams in under an hour.
Learn to analyze failed pistons in 2-stroke lawn and garden equipment in under an hour with Steve's Small Engine Saloon.
Learn to fix a chainsaw that cuts crooked in under an hour with Steve's Small Engine Saloon. Understand the reasons and get practical solutions.
Learn to perform a basic tune-up on a Stihl WeedEater in under an hour with Steve's Small Engine Saloon. The material covers spark plug change, carburetor and fuel lines removal, and air filter reinstallation.
Learn to refill your trimmer line in under an hour with Steve's Small Engine Saloon. Suitable for various brands like Husqvarna, Stihl, Echo, and more.
Learn to replace riveted brake pads, axle seals, and springs on Case and John Deere tractors in under an hour with Dan and Rachel Gingell.
Learn to rebuild a Ford 8N tractor engine with Dan and Rachel Gingell in less than an hour. This is part one of a four-part series.
Learn to rebuild a Marvel Schebler carburetor with Rachel Gingell in under an hour, covering disassembly, adjustments, cleaning, and assembly.
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