-
1949 communication
Telephone from 1949 -
energy and power 1949
1949 hydroelectric energy -
1949 transportation
1949 Ford truck -
1949 medical
1949 doctor -
1949 agriculture
1949 farm -
1949 construction
Construction site 1949 -
Period: to
7 areas of technology
-
manufacturine 1950
1950 manufacturing site -
1999 agriculture
1999 tractor -
communication 1999
1999 Nokia cell phone -
medical 1999
1999 doctor -
1999 Energy and power
1999 hydroelctric energy -
1999 construction
1999 construction site -
1999 manufacturine
manufacturing site 1999 -
2000 transportation
2000 Ford truck -
2012 construction
construction site 2012 -
2012 communication
2012 Iphone 4s -
2012 agriculture
2012 farm -
2012 transportation
2012 ford truck -
2012 energy and power
2012 solar energy -
2012 manufacturine
manufacturing site 2012 -
2012 medical
2012 medicine pills
