commercial kitchen equipment is one possibility.
How can I tell if it was designed for an oven?
Look for heat-resistant construction, rack supports, sliding rails, hooks, or dimensions that correspond closely to an oven cavity.
What is the most useful information for identifying it?
The exact measurements and photographs of the ends, sides, and mounting hardware are probably the most useful clues.
Should I keep it?
If you’re unsure, I’d keep it for now. Once you determine what it is, you can decide whether to restore it, reuse it, or
