If you don't put oil on your plate, you will be excellent in one year if you have too much oil and sweat on your hands. In the first two years, I had tea and olive oil dishes every day. The color is particularly beautiful for half a year, but the plate is easy to turn black without oil. It is suggested to look at the material appreciation disk of old-fashioned beads and play with the cheats. The summary is in place and the details are comprehensive. You can have a look.