Job related proficiency assessment
Edition 2016-07

Soil quality - Field soil description (ISO 25177:2019); German version EN ISO 25177:2019
Edition 2020-04

Subsoil - Verification of the safety of earthworks and foundations - Supplementary rules to DIN EN 1997-1
Edition 2021-04

Conference systems; electrical and audio requirements; identical with IEC 60914:1988
Edition 1990-04

Soil quality - Field tests - Part 1: Determination of soil color
Edition 2007-11

Information technology - RFID in rail; German version EN 17230:2020
Edition 2021-03

Postal services - Quality of service - Complaints handling principles; German version EN 14012:2019
Edition 2020-06

Milk and milk products - Sensory analysis - Part 1: General guidance for the recruitment, selection, training and monitoring of assessors (ISO 22935-1:2009)
Edition 2012-12

Information processing - Programming language PEARL - SafePEARL
Edition 2018-03

Multimedia quality - Method of assessment of synchronization of audio and video (IEC 62503:2008); German version EN 62503:2008
Edition 2009-02