Question: How can I easily view the items in my refrigerator without taking anything out (even the ones at the back)?
Options:
Place a plastic type lazy susan on each shelf and place items on them, then you can just turn to see what''s there.
Place a plastic type lazy susan on each  small door mounted shelf and place items on them, then you can just turn to see what''s there.
Answer: Place a plastic type lazy susan on each shelf and place items on them, then you can just turn to see what''s there.