Американская коллегия хирургии Мооса(The American College of Mohs Surgery (ACMS) is a membership organization of fellowship-trained skin cancer and reconstructive surgeons specializing in the Mohs micrographic surgical technique used to treat skin cancer. igisheva)
шкала твёрдости Мооса(A rating of between 8 and 9 on the Mohs scale of hardness, sitting just below Diamonds means tungsten is extremely strong and scratch resistant Гевар)