Assertion: slide fastener's pair | /r/HasAspect | respective coupling elements
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Source sentences:
text: A slide fastener, sometimes commonly referred to as a zipper, generally comprises a pair of slide fastener halves which have respective coupling elements formed along edges of a support such as a tape or the like, to which the coupling elements can be affixed or on which the coupling elements can be formed so, upon movement of a slider along the coupling elements in one direction