Acoustics. Determination of airflow resistance - Static airflow methodWhat is this standard about? This document specifies the measurement of the determination of the static airflow resistance, in a laminar flow regime, of porous materials for acoustical applications.

8 Test speed tolerance

3 – Choice of appropriate category of actuation for release of powered sliding doors on means of escape

BS EN 10348 is a series of European standards on steel for the reinforcement of concrete that discusses the best procedures and specifications required for manufacturing high-quality galvanized reinforcing steel

however with new developments a large section of that document has been deemed outdated

This International Standard specifies graphical symbols for operator controls

This European Standard specifies the procedure for the determination of the flakiness index of aggregates

Alternative conversion coatings or substitutes can be used and are required to satisfy the corrosion requirements given in this document

and specifies the hardness and designation of punch holder shanks in accordance with this part of BS ISO 10242-2

• Baby changing and ancillary toilet facilities

Particular requirements for fan heaters

and 480V for other apparatus

Basic concepts