Assertion: rubber's shape | /r/HasProperty | retained
Facets:
Source sentences:
text: When kaolin is mixed with water in the range of 20 to 35 percent, it becomes plastic (i.e., it can be molded under pressure), and the shape is retained after the pressure is removed.
text: The placement of materials around the sphere is done under carefully controlled conditions to ensure that consistent size, shape and quality are maintained.