• BS EN ISO 2063-1 2019 Thermal spraying. Zinc, aluminium and their alloys - Design considerations and quality requirements for corrosion protection systems.pdf
• BS EN ISO 18286 2010 Hot-rolled stainless steel plates. Tolerances on dimensions and shape.pdf
• BS EN ISO 17892-9 2018 Geotechnical investigation and testing. Laboratory testing of soil. Consolidated triaxial compression tests on water saturated soils 岩土调查和测试.土壤的实验室测试.在水饱和土壤上进行固结三轴压缩试验.pdf
• BS EN ISO 17892-4 2016 Geotechnical investigation and testing - Laboratory testing of soil Part 4 Determination of particle size distribution.pdf
• BS EN ISO 17892-12 2018/A1 2021 Geotechnical investigation and testing. Laboratory testing of soil. Determination of liquid and plastic limits 岩土调查和测试 土壤的实验室测试 液体和塑料极限的确定.pdf
• BS EN ISO 17892-11 2019 岩土调查和测试.土壤的实验室测试.渗透性测试 Geotechnical investigation and testing. Laboratory testing of soil. Permeability tests.pdf
• BS EN ISO 17639 2013 Destructive tests on welds in metallic materials. Macroscopic and microscopic examination of welds.pdf
• BS EN ISO 15614-8 2016 Specification and qualification of welding procedures for metallic materials. Welding procedure test - Welding of tubes to tube-plate joints.pdf
• BS EN ISO 15614-2 2005 Specification and qualification of welding procedures for metallic materials. Welding procedure test - Arc welding of aluminium and its alloys.pdf
• BS EN ISO 15614-1 2017/A1 2019 Specification and qualification of welding procedures for metallic materials. Welding procedure test. Arc and gas welding of steels and arc welding of nickel and nickel alloys.pdf
• BS EN ISO 14732 2013 Welding personnel. Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials.pdf
• BS EN ISO 1461 2009 Hot dip galvanized coatings on fabricated iron and steel articles. Specifications and test methods.pdf
• BS EN ISO 1452-5 2009 PlastICS pipingSystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 5 Fitness for purpose of thesystem ISO 1452.pdf
• BS EN ISO 1452-4 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 4 Valves（ISO 1452-42009）.pdf
• BS EN ISO 1452-3 2010 PlastICS piping systems forwater supply and for buriedand above-ground drainageand sewerage under pressure-Unplasticized poly（vinychloride）（PVC-U） Part 3 Fittings （lSO 1452-32009）.pdf
• BS EN ISO 1452-2 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 2 Pipes （ISO 1452-22009）.pdf
• BS EN ISO 1452-1 2009 PlastICS pipingsystems for watersupply and for buriedand above-grounddrainage and sewerageunder pressure-Unplasticizedpoly（vinyl chloride）（PVC-U） Part 1 General（ISO 1452-12009）.pdf
• BS EN IEC 60974-9 2018 Arc welding equipment. Installation and use.pdf
• BS EN IEC 60974-7 2019 Arc welding equipment. Torches.pdf
• BS EN IEC 60974-5 2019 Arc welding equipment. Wire feeders.pdf