Assertion: life preserver | /r/HasProperty | impact-tested
Facets:
value: at 50 mph
type: LOCATION
Source sentences:
text: Flotation devices designed for activities such as water skiing are impact-tested to ensure that they will survive hitting the water at a high speed.
text: Water skiers should look for a flotation device that has been tested for impacts at 50 mph (80 kph).