either 220 L metal drums fitted with plexiglass lids or 230 L steel chambers with steel lids sealed by a water moat. Fruit were also treated in 4-L glass jars or 22-L
either 220 L metal drums fitted withplexiglass lids or 230 L steel chambers with steel lids sealed bya water moat. Fruit were also treated in 4-L glass jars or 22-L