The only way I would think is that when making a PB&J the jelly and peanut butter are on separate breads showing that division between races. But, when you put the two sides together they are supposed to taste better together than alone which might symbolize that when races come together they are better together than seperate.
Answer:
I mean rubber protects you
It would be logistics and inventory control because that is often done via computer and that job also controls the finances.
