1. BS EN 635-3:1995. Plywood - Classification by surface appearance - Part 3: Softwood

2. BS EN 635-5:1999. Plywood - Classification by surface appearance - Part 5: Methods for measuring and expressing characteristics and defects

3. BS EN 636:2012 + A1:2015. Plywood - Specifications

4. BS EN 637:1995 BS 2782-12:mtd 1205А:1995. Plastics piping systems - Glass-reinforced plastics components - Determination of the amounts of constituents using the gravimetric method

5. BS EN 638:1995. Plastics piping and ducting systems - Thermoplastics pipes - Determination of tensile properties

6. BS EN 639:1995. Common requirements for concrete pressure pipes including joints and fittings

7. BS EN 640:1995. Reinforced concrete pressure pipes and distributed reinforcement concrete pressure pipes (non-cylinder type) including joints and fittings

8. BS EN 641:1995. Reinforced concrete pressure pipes, cylinder type, including joints and fittings

9. BS EN 642:1995. Prestressed concrete pressure pipes, cylinder and non-cylinder, including joints, fittings and specific requirement for prestressing steel for pipes

10. BS EN 574:1996.Safety of machinery - Two-hand control devices - Functional aspects - Principles for design