Assertion: racing fuel cell | /r/HasProperty | filled with an open-cell foam core
Facets:
value: to prevent explosion of vapor
type: PURPOSE
Source sentences:
text: It is filled with an open-cell foam core to prevent explosion of vapor in the empty portion of the tank and to minimize sloshing of fuel during competition that may unbalance the vehicle or cause inadequate fuel delivery to the motor (fuel starvation).