This part of ISO 11148 applies to hand-held non-electric power tools (hereinafter “non-rotary percussive power tools”) intended for chipping, riveting, breaking of concrete and asphalt, ramming, etc. The non-rotary percussive power tool can be powered by compressed air, hydraulic fluid or internal combustion engines and is intended for use by one operator and supported by the operator’s hand or hands, with or without a suspension,e.g. a balancer. This part of ISO 11148 covers breakers;bush hammers;chipping hammers; small chisels; engraving pens;needle scalers;pick hammers;pile drivers; portable pile drivers;punches;rammers; riveting hammers;scaling hammers;