http://tlc.howstuffworks.com/style/hair-dryer4.htm
http://www.answers.com/topic/hairdryer
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/gfi.html
woensdag 26 januari 2011
Safety Features: information resources
http://tlc.howstuffworks.com/style/hair-dryer4.htm
http://www.answers.com/topic/hairdryer
http://hyperphysics.phy-astr.gsu.edu/hbase/electric/gfi.html
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