writing..(12 Principles of Green Chemistry)

I have attached the needed documents. I need it within 8 hours.

 my project is " PRODUCTION OF SILICON PRECURSORS FOR SOLAR photovoltaic (PV) MANUFACTURING " which is Page 7 in " Project file" and "PRODUCTION OF SILICON file"

The homework is:

Pick a principle of Green Chemistry or Engineering (12 Principle file) and postulate how you will apply this in your design project.  

One to two paragraphs of single-spaced text should be sufficient. No more than 1 page of text single-spaced.

List your principle of choice and answer the question:

Explain how this principle may be applied in your design? Give at least one technical detail.