| http://www.w3.org/ns/prov#value | - When such prior art reverse lift opening tabs are formed of a relatively soft and malleable material, such as aluminum, this sharp line of bend tends to rupture, due to exceeding the yield point of the material, thereby severing the attachment portion from the remainder of the opening tab prior to the complete detachment of the removable panel from the central panel of the end closure and possibl
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