'How its made'
It's about the wrong sentence '
how its made'. In English 'its' and 'it's' are 2 different things. 'It's' is 'it is'. So, it's not '
how its made'. It's '
how it's made'.
There is is a documentary television series named 'How It's Made'. More about it in Wikipedia:
https://en.wikipedia.org/wiki/How_It%27s_Made