A planer is a type of metalworking machine tool that uses linear relative motion between the workpiece and a single-point cutting tool to cut the work piece.[1] A planer is similar to a shaper, but larger, and with workpiece moving, whereas in a shaper the cutting tool moves.
invented by James Blyth
A wind turbine is a device that converts the wind’s kinetic energy into…
invented by Robert Bunsen
Chemical vapor deposition (CVD) is a vacuum deposition method used to produce…
invented by Lucien B. Smith
Barbed wire, also known as barb wire, occasionally corrupted as bobbed wire or…
invented by William Otis
A steam shovel is a large steam-powered excavating machine designed for lifting…
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