English Scratch hardness Cited by user InsaneYodelingTomatoPaste on 19 Jun 2023 Scratch hardness refers to the hardness of a material in terms of resistance to scratches and abrasion by a harder material forcefully drawn over its surface.
Spanish Escalas de dureza Cited by user Manlleus on 15 Sep 2022 La dureza es la oposición que ofrecen los materiales a alteraciones como la penetración, la abrasión, el rayado, la cortadura, y las deformaciones permanentes entre otras.
English Mohs scale of mineral hardness Cited by user GeoWriter on 04 Sep 2022 The Mohs scale of mineral hardness is a qualitative ordinal scale, from 1 to 10, characterizing scratch resistance of minerals through the ability of harder material to…