Proving Can A portable 5-gallon can used to calibrate retail motor fuel dispensers. See also Meter prover. By rhys|2014-10-22T01:28:59+00:00October 22nd, 2014|Comments Off on Proving Can Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInWhatsAppTumblrPinterestVkXingEmail About the Author: rhys