Assertion: cleat's surface | /r/HasProperty | 42 of the aperture
Facets:
Source sentences:
text: The top surface 60, which may have any cross-sectioned shape, may have a slightly convex surface with respect to the top surface 14 of the base 12 to combine with the surface 42 of the aperture 40 to form a convenient hand grip surface for the entire hand of a user thereby enabling a secure grip to assist the user in safely and easily entering or exiting a marine vessel.