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 Michael Faraday
Electromagnetic or magnetic induction is the production of an electromotive…
invented by Isaac Charles Johnson
Portland cement is the most common type of cement in general use around the…
invented by William Reid Clanny
A safety lamp is any of several types of lamp that provides illumination in…
invented by Francois Coignet
Reinforced concrete (RC), also called reinforced cement concrete (RCC), is a…
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