They then drive that foul cargo to a treatment plant, where the nightmare is handed off to someone else. There is a psychological reason we avoid this topic. Sewage represents our own mortality and messiness. It is the physical proof of our consumption and digestion. To clean a sewage tank is to look directly at the waste we spend our entire lives trying to hide.
However, heroes need maintenance. And that maintenance, the process of sewage tank cleaning, is one of the most vital, misunderstood, and thankless jobs in the world. Contrary to popular belief, a healthy sewage tank isn’t just a hole full of waste. It is a primitive but effective biological reactor. Waste enters in three forms: solids (the "sludge" that sinks), liquids (the "effluent" that flows out to the drain field), and a frothy layer of grease and scum that floats on top. sewage tank cleaning
And that is worth more than a moment of our uncomfortable respect. They then drive that foul cargo to a