Board surface with lineation E009:
green grid 5cm.
![Board surface with lineation E009:](/media/cache/68/0d/680d08d7be8c5f7cb384d0261ba5b504/Mat-E009_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.