📁 Science Technology Materials Cellular
Cellular materials include open- and closed-cell foams, which may be contructed from various base materials, including plastics, ceramics, and metals. They have applications in a wide variety of end-use and industrial areas.
条目 (20+)
Dynamic Energy Transformations: Hydroelectric Power Plants
http://www.angelfire.com/magic/sciencewiz/
IMDb - Boxing Horses Luna Park, Coney Island (1904)
http://www.imdb.com/title/tt0231291/combined
Butch Cassidy and the Sundance Kid
http://www.tcm.com/tcmdb/title/69965/Butch-Cassidy-and-the-Sundance-Kid/