| http://www.w3.org/ns/prov#value | - In accordance with one particular embodiment of the rolling method, a sheet of lithium is rolled, to a thickness of less than 50 microns, between two films of inert plastic, particularly polypropylene or polyethylene, which are very easily peelable, that is, practically not adhering to the lithium (removal force less than 100 g/cm).
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