A good technique is to move the tool once across the bench grinder for no more than a few seconds. Then dip it in the water. If the steel edge does overheat and turns color, grind the edge back to ...

The contraption holding the angle grinder – a welded piece of steel bolted to the sliding mechanism – has a grip for the user to seamlessly slide the tool across the table. The operation is ...

A recent study published in the Journal of Archaeological Science: Reports by researchers from the Autonomous University of Barcelona (UAB) reveals the symbolic significance of grinding tools used ...