What are the nine ways that physical products can be differentiated?

In your position as a marketing manager for a small industrial company, you have been asked by the president to help differentiate the company’s product from its competitors. In reviewing your marketing management notes, you note that the text stated that physical products could be differentiated in nine ways. These nine areas comprise the “meat” of the memo you are writing to the president of your firm. What are the nine ways that physical products can be differentiated?