*related+photos+with+captions

= = -http://cse.ssl.berkeley.edu/bmendez/ay10/2002/notes/pics/bt2lf0403_a.jpg -http://www.ioppublishing.com/activity/education/Teaching_Resources/Teaching%20Advanced%20Physics/Energy/Thermal%20physics/page_5417.html -http://stloe.most.go.th/html/lo_index/LOcanada7/703/3_en.htm

-http://stloe.most.go.th/html/lo_index/LOcanada7/703/3_en.htm

-http://oee.nrcan.gc.ca/publications/infosource/pub/home/Heating_With_Electricity_Chapter2.cfm?attr=4