Postal services. Quality of service. Measurement of loss and substantial delay of priority and first class single piece mail using a survey of test letters
Health and safety in welding and allied processes - Laboratory method for sampling fume and gases - Part 6: Procedure for quantitative determination of fume and gases from resistance spot welding - Technical Corrigendum 1 (ISO/TS 15011-6:2012/Cor 1:2012)