Specifications for building sands from natural sources1 Scope This British Standard relates to naturally occurring sands, crushed stone sands and crushed gravel sands used for external renderings and internal plastering using mixes of lime and sand (with or without the addition of cement or gypsum plaster), cement and sand (with or without the addition of lime).

Additional requirements on appliance efficiency

6 Design Rules

Classification: 1 275 MPa/650 °C

BS EN 491:2004 specifies test methods for concrete roofing tiles and valley tiles

6 Iris image format specification

that are modelled separately to ensure the scalability of implementations:

What is BS 1781 – Specification for linen union textiles about

This British Standard specifies the basic requirements relating to materials

the terms “wood” and “wooden” include the range of materials manufactured from wood

which comply with the relevant product standards

and EN 13848-4

The effects of overvoltages on equipment are outlined