The detail "...make sure they are not touching each other..." best supports the inference that one bad apple can spoil all the others. As stated in the text, the fruits are stored in the hoard house for future consumption. It is important that one does not contain a bruise since this will also affect the others around it.
Parties are often preceded by fun questions, like what to give? Who to bring (if you have a plus one, that is)? When to arrive? And, crucially, what to wear? Most of us don’t just happen to have a floor-length silk gown or a tailcoat hanging around in our closet, waiting for the day our Met Gala invite finally arrives. But would that even be the right kind of thing to wear to such an event? We’ve got answers, and options, for every possible occasion on your social calendar.
Rethorical devices are all those which helps an individual to argue successfully, defending his point of view but also convincing people to agree with his saying. That is why rethorical devices can help a student: he can explain himself better, defend his ideas and even convince others to do what he believes to be the best.
You will need to add the commas as follows:
I think Robert, Mary Jane, Andrea, Lee Ann, and Milton should be on the planning committee.
There are 4 commas.