| http://www.w3.org/ns/prov#value | - The process of producing the heat sealed plastic package of claim 1 , wherein said cover is a second thermoformed container composed of a co-extruded multi-layered sheet, said sheet having a first layer of a substantially non-heat sealable polymeric material and a second layer of heat sealable polymeric material, said second container having a cavity for storage formed therein, said second contain
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