Final answer:
Other components of a piping system include water pipes, gas and fire pipelines, electrical and communications conduit, as well as various containers like bottles and buckets.
Step-by-step explanation:
In a piping system, there are several components other than the main, riser, or stack. Some of these components include water pipes, gas and fire pipelines, electrical and communications conduit, hula hoop rings, five-gallon buckets, milk, juice, and water bottles, and grocery bags. Additionally, some shampoo and toiletry bottles can also be considered as part of the piping system.