Assertion: tank's impact | /r/Causes | spalling
Facets:
Source sentences:
text: Impacts of 3-4 armor-piercing or high-explosive fragmentation shells from 152, 122, or 100 mm artillery pieces caused cracks, spalling and destruction of the weld seams in the tank’s 100-190 mm thick frontal armor plates at ranges of 500 – 1,000 meters.