Assertion: penny | /r/CapableOf | amount to 97.5% of the mass of the coin
Facets:
value: with a thin copper coating
type: OTHER
Source sentences:
text: Beginning in 1982, pennies began to be manufactured out of zinc, amounting to 97.5% of the mass of the coin, with a thin copper coating that amounted to 2.5% of the penny's mass.