| http://www.w3.org/ns/prov#value | - As used herein, the term ???liquid impermeable???, when used to describe a layer or multi-layer laminate, means that a liquid, such as urine, will not pass through the layer or laminate, under ordinary use conditions, in a direction generally perpendicular to the plane of the layer or laminate at the point of liquid contact, and ???liquid permeable??? means a layer or laminate that is not liquid i
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