(Aviation abbreviations:) utility bus
Found on http://www.aviationonline.co.uk/glossary/uz.htm


[river] The Ub (Serbian Cyrillic: Уб) is a river in western Serbia, a 57 km-long right and longest tributary to Tamnava river. The Ub originates from the Vlašić mountain in Podgorina region of west Serbia, near the village of Kasapo. From its source to the mouth, the river flows to the east, parallel to the river Tamnava, which it will ...
Found on http://en.wikipedia.org/wiki/Ub_(river)
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