Shore durometer "durometer" (ISV "duro-" and "-meter"; attested since the 19th century), but today that name usually refers to Shore hardness; other devices use other measures, which return corresponding results, such as for Rockwell hardness. There are several scales of durometer, used for materials with different properties. The two most common scales, using slightly different measurement systems, are the ASTM D2240 type A and type D scales. The A scale is for softer ones, while the D scale is for harder ones. However, the ASTM D2240-00 testing standard calls for a total of 12 scales, depending on the intended use: types A,
4th Shore the 4th Shore - "Quarta Sponda" - because of the large community of Tunisian Italians living there. During less than thirty years (1912–1940) in Libya the Kingdom of Italy (in the territory that was called initially Italian North Africa (1912–1934) and later Italian Libya (1934–1940) or 4th Shore of Greater Italia) developed the cities and countryside with an enormous array of investments. They built huge public works, such as new town districts with streets and buildings, modern ports, the Italian Libya Railways, and long highways. The Libyan economy and trade flourished very much, similar to what happened during the ancient