| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is a sectional side view of a nasal mask assembly according to the principles of the present invention taken along line 1A-1A in FIG. 1B, FIG. 1B is a front view of the nasal mask assembly, FIG. 1C is a bottom view the nasal mask assembly, FIG. 1D is a side view the nasal mask assembly, and 1E is a top view the nasal mask assembly; FIG. 2A is a sectional v
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