OPEI B175.4 : 2013

Foreword
1 Scope and purpose
2 Normative references
3 Definitions
4 Safety requirements
5 Sound levels
6 Vibration
7 Operator's manual(s)
8 Marking/Symbols
Annex A (normative) - Procedures for the evaluation of
        environmental and fuel compatibility of fuel
        feed lines and tanks
Annex B (normative) - Method of sound pressure
        measurement at the ear of the operator
Annex C (normative) - Sound measurement for
        bystanders (optional)
Annex D (normative) - Method of vibration measurement
Annex E (normative) - Determination of the strength of
        cut-off wheel guards
Annex F (normative) - Retention test for cut-off wheels
Annex G (informative) - Examples of symbols

Pertains to portable, handheld internal combustion engine-powered machines, which use a rotating cut-off (abrasive) wheel that is center-mounted on and driven by a spindle shaft, and designed for cutting construction materials such as asphalt, concrete, stone, and metal.