Assertion: bronze | /r/HasProperty | the material of choice
Facets:
value: for several millennia
type: TEMPORAL
Source sentences:
text: For several millennia, bronze was the material of choice for weapons such as swords, daggers, battle axes, and spear and arrow points, as well as protective gear such as shields, helmets, greaves (metal shin guards), and other body armor.
text: Bronze has been the material of choice for boat fittings for centuries.