Assertion: tank's firepower | /r/HasProperty | heavy machine guns
Facets:
Source sentences:
text: Firepower: Heavy machine guns, automatic grenade launchers and anti-tank guided missiles.
text: Tanks have heavy firepower, strong armour, and good battlefield manoeuvrability provided by tracks and a powerful engine; usually their main armament is mounted in a turret.
text: Firepower: Heavy machine guns, automatic grenade launchers and guided missiles.