GM foods are classified into one of three generations. First-generation crops have enhanced input traits, such as herbicide tolerance, better insect resistance, and better tolerance to environmental stress.
Types of systems. There are multiple systems by which water treatment systems companies can remove contaminants from water. Point of entry systems: Point of entry water treatment systems are able to treat all of the water entering a home or business and are installed after a water meter or storage tank.
Stainless steel guide rail systems can be useful in the deeper stations. Special submersibles, called grinder pumps, are suitable for pressurized sewage system applications. The two generic types of lift station designs are wet well and wet well/dry well. The wet well/dry well type uses a wet well or pit to collect wastewater and a companion dry well which contains the pumps, controls, and related equipment.