1p4/temperature control switch ,IP40 7mm mini temperature control switch ,mini temperature control switch round switches on off.
At 3.8 million square miles (9.8 million km2) and with over 324 million people, the United States is the world's third-largest country by total area (and fourth-largest by land area) and the third-most populous.
As of today's date, the world population is estimated by the United States Census Bureau to be 7.496 billion. The US Census Bureau estimates the 7 billion number was surpassed on 12 March 2012.