1. BS EN 303-7:2006. Heating boilers - Part 7: Gas-fired central heating boilers equipped with a forced draught burner of nominal heat output not exceeding 1 000 kW

2. BS EN 304:1992. Heating boilers - Test code for heating boilers for atomizing oil burners

3. BS EN 309:2005. Particleboards - Definition and classification

4. BS EN 310:1993. Wood-based panels - Determination of modulus of elasticity in bending and of bending strength

5. BS EN 311:2002. Wood-based panels - Surface soundness - Test method

6. BS EN 312:2010. Particleboards - Specifications

7. BS EN 314-2:1993. Plywood - Bonding quality - Part 2: Requirements

8. BS EN 327:2014. Heat exchangers - Forced convection air cooled refrigerant condensers - Test procedures for establishing performance

9. BS EN 328:2014. Heat exchangers - Forced convection unit air coolers for refrigeration - Test procedures for establishing the performance

10. BS EN 331:2015. Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings