[The Rumpled One talks about something near and dear to my heart: organizing. When you start to accumulate boxes of supplies, you may find it difficult to remember where you put, well, anything! This simple method of using a reference book and numbered boxes will work out quite well for most situations; that is, assuming you don't loose the reference book. 
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That is a simple method. I might have to try it since I’ve got so much stuff and I can’t ever seem to find anything.