Numbers 16:35-39

Fire also came out from the Lord and consumed the 250 men who were offering the incense.

Then the Lord spoke to Moses, saying,

“Tell Eleazar, the son of Aaron the priest, that he shall pick up the censers from the midst of the burned area, because they are holy; and you are to scatter the burning coals farther away.

As for the censers of these men who have sinned at the cost of their own lives, have them made into hammered sheets as plating for the altar, since they did present them before the Lord and they are holy; and they shall serve as a sign to the sons of Israel.”

So the priest Eleazar took the bronze censers which the men who were burned had offered, and they hammered them out as plating for the altar,