Source 1-

https://www.cnet.com/news/just-how-big-is-foxconn/

 

Source 2-

http://www.nytimes.com/2012/01/22/business/apple-america-and-a-squeezed-middle-class.html

 

Source 3-

https://www.theguardian.com/technology/2017/jun/18/foxconn-life-death-forbidden-city-longhua-suicide-apple-iphone-brian-merchant-one-device-extract

 

Source 4-

https://www.indeed.com/salaries/Electronics+Manufacturing-Salaries

 

Source 5-

https://www.wired.com/2013/09/ifixit-teardown-apples-latest-iphones-not-as-green-as-schiller-claims/

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Source 6-

https://images.apple.com/environment/pdf/products/iphone/iPhone_X_PER_sept2017.pdf

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Source 7-
https://www.cnet.com/news/apple-iphone-x-environmental-report/