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Respirators are normally designed to keep welders complaint in the environment they work in check. Most welding applications that need personal respiratory protection require a loose-fitting respirator because it is an ideal choice solution as it is usually integrated with the welding helmet. The design focus on user comfort which promotes its acceptance and leads to greater compliance and productivity.
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Full-time welders stand an increased risk of airway irritation, lung function changes, pulmonary infections, and lung cancer. Nerve disorder has a link with welding fume as welding fume is the primary contaminant found in welding fumes.
Local or area ventilation system should be used to eradicate harmful gases and fumes. Engineering controls might not be sufficient to reduce the exposure levels adequately, it can, therefore, be appropriate to use respirators. There are different types of respirators that have specific benefits and limitations.
There are two main types of respirators are Powered Air Purifying Respirators (PAPRs) and Supplied Air Respirators.
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The use of Respirators may be very difficult to use in tight places or disrupt facial seal permanently when bumping against other objects. Sight equipment may also be affected or interfered by the respirator equipment which may lead to a little hindrance during welding. They may also serve as movement hindrance by impeding worker’s progress as small spaces must be very large fit s protected workers to fit into.