This part of ISO 11148 specifies safety requirements for hand-held non-electric power tools (hereinafter “circular,oscillating and reciprocating saws”) intended for sawing. The circular, oscillating and reciprocating saws can be powered by compressed air, hydraulic fluid or internal combustion engines and are intended to be used 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 is applicable to circular saws;circular knives;oscillating saws having a saw blade with a radius of 50 mm or less or a diamond cutting-off blade with a radius of 100 mm or less; oscillating knives (inc