1. BS EN 1770:1998 Products and systems for the protection and repair of concrete structures - Test methods - Determination of the coefficient of thermal expansion

2. BS EN 1772:2000 Surface active agents - Determination of wetting power by immersion

3. BS EN 1774:1998 Zinc and zinc alloys - Alloys for foundry purposes - Ingot and liquid

4. BS EN 1775:2007 Gas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendations

5. BS EN 1776:2015 Gas infrastructure - Gas measuring systems - Functional requirements

6. BS EN 1777:2010 Hydraulic platforms (HPs) for fire fighting and rescue services - Safety requirements and testing

7. BS EN 1778:2000 Characteristic values for welded thermoplastics constructions -Determination of allowable stresses and moduli for design of thermoplastics equipment

8. BS EN 1779:1999 Non-destructive testing - Leak testing - Criteria for method and technique selection

9. BS EN 1780-1:2002 Aluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting, master alloys and castings - Part 1: Numerical designation system

10. BS EN 1780-2:2002 Aluminium and aluminium alloys - Designation of alloyed aluminium ingots for remelting, master alloys and castings - Part 2: Chemical symbol based designation system