Respiratory protective devices. Threads for facepieces - Standard thread connection Ingestion-build-44680 This document is not applicable

This document is not applicable to other permanent venues such as theatres

It also determines individual relieving rates and selecting and designing disposal systems

maintaining

especially those involved in setting up a Content Management System (CMS)framework

This standard supplies general structural rules for the design of aluminium structures

Respiratory protective devices. Threads for facepieces - Standard thread connection Ingestion-build-44680 This document is not applicableWhat is BS EN 148 1 Standard thread connection for facepieces in respiratory protective devices about? BS EN 148 discusses respiratory protective devices. BS EN 148 1 is an international standard on standard thread connection for facepieces in respiratory protective devices to ensure protection against hazardous air in the workplace. BS EN 148 1 is the first part of a multi part series that specifies standard threads for respiratory protective devices