The reciprocating movement is the way to avoid one of the most common risks during preparation: instrument fracture due to over-stressing the material.
Further information on:
► Website: [ Ссылка ]
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![](https://i.ytimg.com/vi/tDR1M3876DA/maxresdefault.jpg)
The reciprocating movement is the way to avoid one of the most common risks during preparation: instrument fracture due to over-stressing the material.
Further information on:
► Website: [ Ссылка ]
► Facebook: [ Ссылка ]