The holy or unclean fly, either when it is hidip or die, and that an object does not become unclean when the fly perches and dies on it, whether it is solid or liquid.
The suggestion to dip / drown the flies that have fallen into the beverage when the object is liquid, while if the object is solid then the flies are discarded and the area is seeped around it.
Truly on one flies wing there is disease and one wing there is a bidder / medicine. So when he fell into the drink he raised the wings of the antidote and dipped the wings of his illness.