Assertion: manganese | /r/HasProperty | heavy metal
Facets:
value: like iron
type: OTHER
value: like selenium
type: OTHER
value: like zinc
type: OTHER
value: like copper
type: OTHER
Source sentences:
text: Like zinc, copper, selenium and iron, manganese is considered a heavy metal, and consuming too much can be dangerous.
text: Even though it is essential in trace amounts, manganese is considered a heavy metal.