When storing slates for a very long time ( a couple of years), how should they be placed. Vertical, I am sure, but do they have to be absolutely perpendicular to the floor? Will a slight angle have an affect on them in the long term?
When storing slates for a very long time ( a couple of years), how should they be placed. Vertical, I am sure, but do they have to be absolutely perpendicular to the floor? Will a slight angle have an affect on them in the long term?
