The large magnitude of solar energy available makes it a highly appealing source of electricity. The United Nations Development Programme in its 2000 World Energy Assessment found that the annual potential of solar energy was 1,575â49,837 exajoules (EJ).
Definition of IRONWOOD. 1. : any of numerous trees and shrubs (as a hornbeam or hop hornbeam) with exceptionally tough or hard wood. 2.: the wood of an ironwood.See ironwood defined for kids.ADVERTISEMENT.. : any of numerous trees and shrubs (as a hornbeam or hop hornbeam) with exceptionally tough or hard wood. 2. : the wood of an ironwood. See ironwood defined for kids.
1 Lower your ironing board to sit down to The Original BIG BOARD and work for hours on any craft project. 2  Measures approximately 22 x 59 x 1/2 thick, with 1/2 x 1-1/4 rails on three sides to fit over your ironing board.  Made of natural wood by cabinet craftsmen.