Assertion: sword | /r/MadeOf | bronze
Facets:
Source sentences:
text: Widely used from around 500 BCE, swords were first made of bronze, then iron and eventually steel, undergoing various developments in design to improve their weight, cutting edge, and durability.
text: Yet, in chapter 5 of Fljótsdæla saga, Þorvaldur, while in a troll's cave, found a sword with a green colored blade without a spot of rust, a description suggesting the blade was made of bronze.
text: The first swords were made of bronze over two thousand years ago.
text: The blades were made of copper or bronze and attached to wooden handles.