There is a huge difference in the replacement cost of the grinder pumps, which can have a $2,000.00 to $3,000.00 retail price depending upon installation and labor. The replacement cost of a sewage pump could be in the $400.00 to $600.00 price range depending upon installation and labor.
Universal Systems Model. The Universal Systems Model is a model that is used to evaluate systems. All technological systems can be described with the Universal Systems Model, and the five elements that define this model are: Goals, Inputs, Processes, Outputs, and Feedback. The goal is what you want to accomplish.
Open systems are computer systems that gives some combination of  interoperability, portability, and open software standards. While  in physics an open system is a system inâ¦ which energy can be lost  or gained from the environment. 2 people found this useful.