All metal edges that are used for cutting need to be sharpened at some point for them to retain there edge, no amount of technology will ever change that.
Hund
reds of thousands of years ago, before man even discovered that he could obtain metal from ore he realised that his tools needed to have a keen edge to obtain best results.
Nike Trainers Please feel free to republish this article provided a working hyperlink remains to our site You may not always agree with my writings but I hope to inform. Harwood E Woodpecker
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