# Nadab and Abihu These are the names of Aaron's sons. # censer a shallow metal container which priests used to carry hot coals or incense # put fire in it "put burning coals in it" # Then they offered unapproved fire before Yahweh, which he had not commanded them to offer "But Yahweh did not approve of their offering because it was not according to what he commanded them to offer" # unapproved fire before Yahweh "unapproved fire to Yahweh"