en_tn_condensed/lev/13/52.md

anything in which the harmful mildew is found

This can be translated in active form. Alternate translation: "anything on which he found the harmful mildew" (See: rc://en/ta/man/translate/figs-activepassive)

it can lead to disease

The harmful mildew could cause disease in a person who comes in contact with the item.

The item must be completely burned up

This can be translated in active form. Alternate translation: "He must burn the item completely" (See: rc://en/ta/man/translate/figs-activepassive)