Assertion: bowling ball's core | /r/Synonym | the weight block
Facets:
Source sentences:
text: Referred to as the engine of the bowling ball, the core also known as the weight block also plays a vital role in bowling.
text: The most common types of symmetrical cores (weight blocks) are bulb cores.
text: Every bowling ball has a core otherwise known as the weight block.
text: The Pin, Center of Gravity (CG), and if the core (also known as the weight block) is assymmetrical there will be a Mass Bias symbol.