Ominant Factores in ManufacuringOperation Mangement

Hello there,
I want you to write me an article about the dominant factors in manufacturing. There are six factors and I just want you to write about two of them which are :

Proximity to the Firms other Facilities.
Utilities, Taxes, and Real Estate Costs.

This subjects come from chapter 7 from Book Foundations of Operation Managementso, you can refer to this site if you want.

If you have any questions let me know.
Thanks a lot