HELLLPPPPP
The FDA Code requires that water supply systems include
a backflow or back-siphonage prevention device
pipage composed only of PVC or other plastic materials
regularly spaced emergency shutoff valves
a method of aerating the water at designated checkpoints

Respuesta :

Answer:

its A.

Explanation:

edge food and nutrition!!

Answer:

a backflow or back-siphonage prevention device

Explanation:

ACCESS MORE
ACCESS MORE
ACCESS MORE
ACCESS MORE