| http://www.w3.org/ns/prov#value | - The work sheet 75 has an obverse work surface 77 which is smooth and non-porous, the work sheet 75 being formed of any suitable material, such as a suitable plastic, a coated paper or the like, the work surface 77 being such that the graphic symbol elements 38 may be electrostatically adhered thereto, whereby the work board 70 is used in the same manner as the work sheet 20 described above.
|
