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Avis d'intention

Mesure de l'exposition au bruit

1.1 This Standard describes methods for determining the occupational noise exposure level of workers (Lex,T) using sampling techniques. Lex,T represents the long-term noise exposure of workers and is calculated from...
Avis d'intention

Construction soudée en aluminium

1.1 This Standard specifies the requirements for all types of welded aluminum construction, and is of general application. There are, however, special Standards which may be used for particular products, such as, pressure...