2 Modifications to the Scope Replace the 1st paragraph with the following: This European Standard specifies the characteristics and performance requirements for masonry units manufactured from clay for which the main intended uses are protected or unprotected masonry structure (see definitions 3.3 and 3.4) (e.g. facing and rendered masonry, loadbearing or non-loadbearing masonry structures, including internal linings and partitions, for building and civil engineering). . Delete the whole 2nd paragraph. Replace the 5th paragraph with the following: It provides for the assessment and verification of constancy of performance (AVCP) of the product to this European Standard. . Replace the last sentence in the 7th paragraph with the following: This European Standard does not include method of measurement of angles and radii characteristics of specially shaped clay masonry units. .