| http://www.w3.org/ns/prov#value | - The aforementioned lid being formed by placing a sheet of thermo-deformable material adjacent a die, the die including a raised portion for forming the plurality of intersecting lines of weakness and the plurality of intersecting troughs in a substantially planar portion of the sheet with each trough accommodating a respective one of the lines of weakness, heating the sheet of thermo-deformable ma
|
