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.
Definition: Water filtration is a general term that refers to any type of filtration system or process that is used to filter out particles and/or pollutants from water.Water filtration systems can include activated carbon filters, UV light units, reverse osmosis, water distillers, or other water treatment process.efinition: Water filtration is a general term that refers to any type of filtration system or process that is used to filter out particles and/or pollutants from water.