Question about canned food?

I'm just a single guy who doesn't know a lot about cooking/food, who's wanting to put together a little bit of canned food to eat during emergencies. I'm looking for food that you can eat raw from a can. One that you can just take a can opener, open the lid, and eat raw. I'm going to name a few... show more I'm just a single guy who doesn't know a lot about cooking/food, who's wanting to put together a little bit of canned food to eat during emergencies. I'm looking for food that you can eat raw from a can. One that you can just take a can opener, open the lid, and eat raw. I'm going to name a few foods i like to eat from cans,that i currently heat/cook up, but would like to know if they are safe to eat raw. Some of which are

Green beans
re-fried beans
Brown/pinto beans
corn
sausage gravy

thanks
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