Non-Sparking Toolscannot reach the hardness of conventional tools. For this reason the use ofNon-Sparking Toolshas to be carried out with special care, avoiding overstraining, heating, etc.
   The use ofNon-Sparking Toolsmust not be the only preventive measure in areas which the items are designed for. Other items, clothes or present material must also be adequate for non-sparking purposes.