Board surface with lineation E005:
green squares 5cm.
![Board surface with lineation E005:](/media/cache/30/77/3077cb2c5774d1f85b552c6f8feb014c/Mat-E005_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.