You Are the Vice-President of a Transportation Company

You are the vice-president of a transportation company. You are presenting a proposal to the company president and owners that involves recycling of the tires that are removed from company vehicles and turning them into a rubberized playground material to be sold to schools and parks. Your proposal is based on

A) closed-loop recycling
B) preconsumer recycling
C) postconsumer recycling
D) secondary recycling
E) primary recycling