Storage sites are, first and foremost, places where tools, equipment and supplies are stored when they're not being used: warehouses, tool cribs, yards, trailers, etc.
Storage sites can also be used to keep track of tools that are missing, broken, stolen or scrapped (or any other category you're interested in) if you create storage sites with names or numbers like 'Missing', 'Broken', 'Stolen' and 'Scrapped' and assign items to them.
ADD, EDIT AND DELETE STORAGE SITES
STORAGE SITE NUMBERS
Every storage site needs a 'number' (which can contain letters, spaces and punctuation marks). If you already have storage site numbers, they'll work in the Tracker. If you're interested in integrating Tracker data with your accounting system, now or in the future, use the numbers in that system. But if you're creating new numbers ...
The Storage sites table contains a large number of user-definable fields. All fields, whether user-definable or not, can be given custom names. So you may see a field in your Storage sites screen that's not in this list: