Assertion: carbon black's property | /r/HasProperty | crucial use carbon black
Facets:
Source sentences:
text: Practically all rubber products where tensile and abrasion wear properties are crucial use carbon black, so they are black in color.
text: Many rubber products where tensile and abrasion properties are crucial use carbon black.
text: Practically all rubber products where tensile and abrasion wear properties are crucial use carbon black, so they are black in color.