Fire-fighting hoses. Semi-rigid hoses for fixed systems1 Scope This European Standard specifies the requirements and test methods for semi rigid hoses for fire fighting purposes for use with fixed systems. The hoses are intended for use at a maximum working pressure of 1,2 MPa for hoses of 19 mm and 25 mm inside diameter and 0,7 MPa for hoses of 33 mm inside diameter. Hoses conforming to this European Standard are intended for applications where long intervals can occur between the occasions of use, for

A valve is to control the flow of gas into or out of a storage cylinder

Artificial ageing tests are used to measure resistance to this exposure

and measurement location for measuring vibrations in the handle to improve the functioning of hand-held portable power tools

sampling requirements for tin anodes

and maintain a building or piece of property

and definition of converter foil

by using a ”near by technique”

“stand clear of the doors”)

5 helps you to identify the total organic matter content in formulated detergents

the user can quickly become proficient at using the product

BS EN BS QC 790111 on assessing the quality of integrated circuits is useful for:

Quality of textiles can be coined as the level of acceptance of clothing products or services