Final answer:
Four examples of prohibited waste fittings in the plumbing code are hula hoop rings, five gallon buckets, milk, juice and water bottles, and grocery bags.
Step-by-step explanation:
In plumbing, there are several waste fittings that are prohibited by the plumbing code. Four examples of such prohibited waste fittings include: hula hoop rings, five gallon buckets, milk, juice and water bottles, and grocery bags.