1. BS EN 764-2:2012 Pressure equipment - Part 2: Quantities, symbols and units

2. BS EN 764-3:2002. Pressure equipment - Part 3: Definition of parties involved

3. BS EN 764-4:2014. Pressure equipment - Part 4: Establishment of technical delivery conditions for metallic materials

4. BS EN 764-5:2014. Pressure equipment - Part 5: Inspection documentation of metallic materials and compliance with the material specification

5. BS EN 764-7:2002. Pressure equipment - Part 7: Safety systems for unfired pressure vessels

6. BS EN 771-1:2011 + A1:2015. Specification for masonry units - Part 1: Clay masonry units

7. BS EN 771-2:2011 + A1:2015. Specification for masonry units - Part 2: Calcium silicate masonry units

8. BS EN 771-3:2011 + A1:2015. Specification for masonry units - Part 3: Aggregate concrete masonry units (Dense and lightweight aggregates)

9. BS EN 771-4:2011 + A1:2015. Specification for masonry units - Part 4: Autoclaved aerated concrete masonry units

10. BS EN 771-5:2011 + A1:2015. Specification for masonry units - Part 5: Manufactured stone masonry units