English: after hammers and chisles, the next advance in the technology was electric engraving tool. this kind of tools are used to write on metals, plastics, etc... modern tools also are capable of writing on hardened metals upto 55 Rc. these tools are also being used in gold/jewellery engraving. This is non commertial introduction to such electric engraving tools
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
original creation by uploader<\/a>"}},"text\/plain":{"en":{"P7482":"original creation by uploader"}}}}" class="wbmi-entityview-statementsGroup wbmi-entityview-statementsGroup-P7482 oo-ui-layout oo-ui-panelLayout oo-ui-panelLayout-framed">