Conserve
To save a certain object such as not to eat you r soup to conserve or save it for another time. Definition's:1. To prevent injury, decay, waste, or loss of strength for an event.
To conserve your healthiness by eating a good diet. 2.To use or manage resources wisely.
To conserve the electricity by turning off means of electricity while not being used. 3.Physics, Chemistry to hold a property constant during interaction
conserved linear momentum.

external image %22WATCH_YOUR_WASTE_LINE_-_CONSERVE_FOOD%22_%22FOOD_IS_AMMUNITION_-_U.S._ARMY%22_-_NARA_-_516057.jpgAbove: the soldier is warning you not to waste resources.

external image 20120120-ec_jacob800.jpgAbove: These kids a are giving out facts.