Board surface with lineation E125:
grey squares 5cm.
![Board surface with lineation E125:](/media/cache/ee/fb/eefb28d3242aef415c10fa25f5869d76/Mat-E125_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.