08 September (United Nations, Offices in New York ) within release World Heritage goes into circulation Stamp World Heritage - Czech Republic face value 0.47 United States dollar
Stamp World Heritage - Czech Republic in catalogues | |
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WADP Numbering System - WNS: | WAD:UN123.16 |
Stamp is horizontal format.
Number in set - 2||(show set). Layout - sheet of 20. Issuing - United Nations Postal Administration. Printer - Cartor Security PrintingAlso in the issue World Heritage :
Stamp World Heritage - Czech Republic it reflects the thematic directions:
A bridge is a structure built to span physical obstacles without closing the way underneath such as a body of water, valley, or road, for the purpose of providing passage over the obstacle. There are many different designs that each serve a particular purpose and apply to different situations. Designs of bridges vary depending on the function of the bridge, the nature of the terrain where the bridge is constructed and anchored, the material used to make it, and the funds available to build it.
Engineering is the practice of using natural science, mathematics, and the engineering design process to solve problems within technology, increase efficiency and productivity, and improve systems. Modern engineering comprises many subfields which include designing and improving infrastructure, machinery, vehicles, electronics, materials, and energy systems