Assertion: bronze's copper | /r/HasProperty | soft
Facets:
value: relatively
type: DEGREE
value: for other applications
type: PURPOSE
Source sentences:
text: Copper is too soft for other applications, but it can be alloyed to make somewhat stronger metals like brass and bronze.
text: Tin and copper are relatively soft metals that will deform on striking (though tin to a lesser extent than copper), but alloying creates a metal which is harder and less ductile and also one with more elasticity than any of the two metals.
text: Being a rather soft metal, copper was not a dramatic improvement over stone for the crafting of tools and weapons.
text: This is because copper in its purest form is just too soft.
text: Pure copper is relatively soft and dents easily while tin is brittle and breaks.
text: Copper and tin are both soft metals that are easy to shape – great for making wires or foil, but less ideal if you want an axe that will hold its edge.