Wholesaling, storage and/or warehousing of commodities, such
as hardware, packaged or fresh foods, clothing or drugs — which
are wholly contained within a fully enclosed building(s), except live
fowl or animals, commercial explosives, or aboveground or below-ground
bulk storage of flammable liquids, or gases, unless and only to the
extent that such storage of liquids or gases is directly connect to
energy or heating on the premises.