<http://schema.org/description>
"Masking is employed in most any metal finishing operation where only a specifically defined area of the surface of a part must be exposed to a process.\u00A0Conversely, masking may be employed on a surface where treatment is either not required or must be avoided.\u00A0This article covers the many aspects of masking for metal finishing, including applications, methods and the various types of masking employed."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pfonline.com/articles/masking-for-surface-finishing>