Board surface with lineation E123:
grey 3. school year.
![Board surface with lineation E123:](/media/cache/d9/7c/d97cc16770dcecf49579d4f88c7db322/Mat-E123_ME_XX_P01.lang.jpg)
Steel sheet for all specially-coated writing surfaces of up to a width of 300 cm and a height of 120 cm. The vitreous-enamel coating is stoved at a high temperature by a special process. The surfaces can be written on with chalk and magnets adhere to them.