Assertion: artificial hailstone | /r/CapableOf | remain intact
Facets:
value: after impacting flat steel roof sheeting
type: TEMPORAL
Source sentences:
text: In this thesis, a new method to make water based artificial hailstones that remain intact after impacting flat steel roof sheeting at terminal velocities has been successfully developed with a combination of 88% water and 12% PVA (Polyvinyl alcohol).