# General Information:

Yahweh is speaking to Jeremiah. God speaks of punishing Israel to make them stop sinning as if he were boiling silver and lead in a hot fire in order to remove the impurities from the silver.

# one who tests my people like one would test metal

Yahweh compares Jeremiah testing his people to a person who tests metal to see how good it is.

# their ways

"their behavior" or "how they live"