Assertion: tank's track | /r/CapableOf | give good mobility
Facets:
value: on soft ground
type: LOCATION
Source sentences:
text: The tanks have good mobility thanks to their relatively light weight (which permits easy transport by rail or flatbed truck and allows crossing of lighter bridges), wide tracks (which give lower ground pressure and hence good mobility on soft ground), a good cold-weather start-up system and a snorkel that allows river crossings.