Originally Posted By: SC62
Why would you drain the oil, and then, umm, ...... not drain the oil?

Accidents do happen.
IF a full can happens to fall off shelf, IT WILL Damage the can & anything it hits & most likely will/can create a large mess IF it breaks the seal.
Check your insurance policy about how much Hazardous [Oil/Gasoline] Waste you can have in garage/house/property [most say 7-10gal].

Reproduction/Fantasy Cans
http://i124.photobucket.com/albums/p2/oldegaspump/AllCansMASTERTHUMBNAIL_zps4bfdbbc7.jpg
Rnd Can Re-lids