Job related proficiency assessment
Edition 2016-07

Metallic coatings - Test methods for electrodeposited gold and gold alloy coatings - Part 6: Determination of the presence of residual salts (ISO 4524-6:1988); German version EN ISO 4524-6:1994
Edition 1995-01

Construction and layout of pedals of self-propelled sit-down rider-controlled industrial trucks - Rules for the construction and layout of pedals (ISO 21281:2005); German version EN ISO 21281:2005
Edition 2005-06

Hinged closures, round - Part 4: Light version, nominal diameter DN 150 to DN 800
Edition 2020-04

Plastics - Thermoplastic vulcanizates for thermoplastic processing (PP+EPDM) - Part 1: Designation system and basis for specifications
Edition 2021-11

Earthworks and foundations - Soil classification for civil engineering purposes
Edition 2023-02

Industrial, commercial and garage doors and gates - Resistance to water penetration - Classification; German version EN 12425:2000
Edition 2000-11

Industrial, commercial and garage doors and gates - Air permeability - Classification; German version EN 12426:2000
Edition 2000-11

LPG equipment and accessories - LPG propulsion systems for boats, yachts and other watercraft - Installation requirements; German version EN 15609:2021
Edition 2022-02

Road operation machinery - Safety - Requirements and test criteria for intermediate post mowers
Edition 2024-08