On the seventh day they must again shave all the hair from their heads, including the hair of the beard and eyebrows. They must also wash their clothes and bathe themselves in water. Then they will be ceremonially clean.
“When the man with the discharge is healed, he must count off seven days for the period of purification. Then he must wash his clothes and bathe himself in fresh water, and he will be ceremonially clean.
On the third and seventh days the person who is ceremonially clean must sprinkle the water on those who are defiled. Then on the seventh day the people being cleansed must wash their clothes and bathe themselves, and that evening they will be cleansed of their defilement.
that is, all metals that do not burn—must be passed through fire in order to be made ceremonially pure. These metal objects must then be further purified with the water of purification. But everything that burns must be purified by the water alone.