Assertion: ball bearing's ball | /r/CapableOf | become hard
Facets:
value: after heat treating
type: TEMPORAL
value: like the races
type: OTHER
value: after tempering
type: TEMPORAL
Source sentences:
text: Like the races, the balls become hard and tough after heat treating and tempering.
text: Like the races, the balls become hard and tough after heat treating and tempering.
text: Like the races, the balls become hard and tough after heat treating and tempering.
text: Like the races, the balls become hard and tough after heat treating and tempering, and grinding must be used to grind the balls down