There is a reliable way to check the quality of sharpening cloths or disk saws. Light a candle and hold the flame on the teeth. This should be done evenly and quickly without overheating the metal. If one of the teeth when sharpening, you missed the flame in this place will be Smoking. Mark in patches of soot on the steel surface, clearly indicates poorly sharpened teeth.
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This model can successfully build students 4-5 classes. Best to start with the housings. It can be done chiselling from a block of wood or stacked. If the housing is stacked, panel it...
