|1991: Scientific Achievements (22p Design - Peter Till)|
|2011: Green Initiatives|
|1956: Waterfalls and Power Stations|
|1964: Hsinankiang Hydro Electric Power Station (Designer - Wu Jiankun)|
|1974: 25th Anniversary of Technical and Scientific Cooperation between Hungary and Soviet Union|
|2012: Baltic Railway Bridges|
An entry to Sunday Stamps II prompt of the Letter E - for Electricity, Energy, Elidaár and Estonia - See It On A Postcard.