This article shows the presses of how the IPhone 6 was made.

Here’s the link to learn more;

http://www.patentlyapple.com/patently-apple/2014/09/the-iphone-6-balancing-design-with-deep-engineering.html

Here’s a video on how the IPhone 5c is made;

This article shows the engineering of how the IPhone 6 is made. The article refers to science and technology concerned with the design, building, and use of engines, machines, and structures.