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.
RO Systems. Reverse Osmosis (RO) is one of the most popular methods for effective home water purification due to its ability to deliver bottled water levels of safety and taste. In fact, the leading bottled water companies actually use large-scale Reverse Osmosis systems to produce their water.