en_tn/lev/13/52.md

anything in which the leprosy is found

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

leprosy

Here this probably refers to mildew. See how you translated this word in Leviticus 13:47.

it can lead to disease

The leprosy 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/jit/figs-activepassive)