1)
electrification 11)
highways 2)
automobile 12)
spacecraft 3)
airplanes 13)
Internet 4) water supply and
distribution 14)
imaging 5)
electronics 15) household
appliances 6) radio and
television 16) health
technologies 7) agriculture
mechanization 17) petroleum and
petrochemical technology 8)
computers 18) fiber
optics 9)
telephone 19) nuclear
technology 10) air-conditioning and
refrigeration 20) high performance
materials