Bit

Chisel - Manual or machine woodworking tools for gouging holes, sockets, grooves, etc. When working on drilling and slotting machines use hollow chisels with a drill inside. Chisels are also used for bone carving and other materials. Flint bits appeared in the upper Paleolithic, bronze - in Egypt and Dvorichie in the 3rd millennium BC. Oe., Iron - in 9-8 centuries. BC. In Russia already in the 10-13 centuries. There were steel chisels with standard-sized blades. (TSB)

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Tools, equipment and machines