This European standard covers safety requirements for cartridge operated fixing and hard marking tools which operate with an intermediate member (piston).This European standard deals with all significant hazards, hazardous situations and events relevant to cartridge operated fixing and hard marking tools, when they are used as intended and under conditions of misuse which are reasonably foreseeable (see Clause 4). It deals with the significant hazards in the different operating modes and intervention procedures as referred to in EN ISO 12100-1:2003, 5.3.Although the safe use of cartridge operated tools depends to an important extent on the use of appropriat