What book is it so I can help you?
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.
You form conclusions by wrapping it up- either restate the thesis differently or state your universal message
