| Subject | English | Russian |
| gen. | with a Vickers number | характеризующийся твёрдостью по Викерсу (nickel plating can have Vickers hardness readings up to one thousand, but inferior wear resistance to hard anodising with a Vickers number of less than 500 Alexander Demidov) |
| gen. | with a Vickers number of | характеризующийся твёрдостью по Викерсу (Tungsten carbide is extremely hard, ranking ~9 on Mohs scale, and with a Vickers number of 1700-2400 (WK) Alexander Demidov) |