Search results with tag "Principles of fit checking chart"

CEC Principles of Fit Checking Chart

bend the nose wire to form a gentle curve. the nose wire represents the top of the mask hold the mask upside down to expose the two headbands ... when exhaling the mask should fill up with air. it is important at this stage to check there is no air leakage around the edges of the mask. continue adjusting the seal of the

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