Hydro-power or water power is power derived from the energy of falling water or fast running water, which may be harnessed for useful purposes. I have made this science working model that tell us how hydro-power works?
A router is a hand tool or power tool that a worker uses to rout (hollow out) an area in relatively hard material like wood or plastic. Routers are mainly used in woodworking, especially cabinetry. Routers are typically handheld or fastened cutting end-up in a router table.
Most Satisfying video from Mr. NK, Make your own Automatic Saw blade Sharpening machine. Using This DIY you can sharpen the circular saw blade very perfectly. View details (update soon)
Most screwdrivers are operated manually, but in Electric screwdriver high torque motor is used to rotate the bit. They are used to drive screws quickly into various materials. Make your own Cordless Screwdriver. View details
A soldering iron is a hand tool used in soldering. It supplies heat to melt solder so that it can flow into the joint between two workpieces. Let's Make automatic wire feed soldering iron this weekend. View details
Power hacksaws are used to cut large sizes of metals. Cutting diameters of more than 10/15mm is very hard work with a normal hand held hacksaw. Therefore power hacksaws have been developed to carry out the difficult and time consuming work. View detalis
Sliding miter saws offer the advantage of crosscutting wide boards while still providing all the benefits of non-sliders. Miter Saw is a saw used to make accurate crosscuts and miters in a workpiece by pulling a large backsaw or a mounted circular saw blade down onto a board in a quick motion.
Drill press (also known as a pedestal drill, pillar drill, or bench drill) is a fixed style of drill that may be mounted on a stand or bolted to the floor or workbench.
Check out this great video, How to make a Motorized feed Drill Press Machine with new concept !!!