Board surface with lineation E104:
blue 4. school year.
![Board surface with lineation E104:](/media/cache/4c/82/4c82da4b1c07a450d0394a3e74c820d5/Mat-E104_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.