Steelcase's no.1 selling ergonomic chair. livelumbar technology flexes with movements for ergonomic comfort. Liveback - mimics the natural spine shape throughout the workday. the leap chair's back changes its shape to conform to yours so you can work comfortably and stay comfortable longer.
But desalination is expensive. A thousand gallons of freshwater from a desalination plant costs the average US consumer $2.50 to $5, Pankratz says, compared to $2 for conventional freshwater.ut desalination is expensive. A thousand gallons of freshwater from a desalination plant costs the average US consumer $2.50 to $5, Pankratz says, compared to $2 for conventional freshwater.
Today China can desalinate 600,000 tons of water a day, but it aims to produce 2.5 to 3 million tons of desalinated water a day by 2020, mainly for use in the dry northern areas. However, desalination is expensive and requires energy, which, in turn, involves more water.