Describe the operation of a grease trap and the maintenance procedures required to ensure its effectiveness.

A grease trap, also known as a grease interceptor, is a plumbing device designed to separate fats, oils, and grease (FOG) from wastewater before it enters the sanitary sewer system. The operation of a grease trap relies on the principle that FOG is lighter than water and will float to the surface. Wastewater from sinks, dishwashers, and other kitchen equipment flows into the grease trap. The trap is designed to slow down the flow of wastewater, allowing the FOG to separate from the water and rise to t....