German police officer Marina Deger with her four year-old sniffer dog Unix, searches for explosives before the start of the 47th Conference on Security Policy in Munich February 4, 2011. REUTERS/Michaela Rehle (GERMANY - Tags: POLITICS CRIME LAW) 

German police officer Marina Deger with her four year-old sniffer dog Unix, searches for explosives before the start of the 47th Conference on Security Policy in Munich February 4, 2011. REUTERS/Michaela Rehle (GERMANY - Tags: POLITICS CRIME LAW) 

German police officer Marina Deger with her four year-old sniffer dog Unix, searches for explosives before the start of the 47th Conference on Security Policy in Munich February 4, 2011. REUTERS/Michaela Rehle (GERMANY - Tags: POLITICS CRIME LAW) 

A Chinese visitor looks at soldering robot from Japan's Unix Company at
a trade fair called Electronic China 2002 in Shanghai March 12, 2002.
The fair, which runs from March 12-15, showcases state-of-the-art
technology for components, assemblies and electronics production from
local and international companies including the United States, Italy,
Germany, United Kingdom, Japan, South Korea, India and Singapore.
REUTERS/Claro Cortes IV

CC/PB