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.
Recommend to read
“MUSTACHE” SCREWDRIVER
The main advantage of the Phillips screwdriver slotted in front of the centering tool and fastener, in which virtually eliminates the slipping of the sting with head even with a small...
IN THE CAR THERE ARE NO SMALL THINGS
The importance of the correct operation of electrical equipment, of course, indisputable. About how to improve its reliability, described in the thematic selection prepared by...
