E.g.2 We shall design a barrel through which projectiles are to be fired comprised of a metal barrel shaped substrate upon at least the inner surface of which is coated a relatively thin layer of a dense,hard wear and corrosion resistant vapor deposited material having a Moh's scale hardness of about 8 to 9. Chapter 1 Purpose of translation and qualifications of translatorsChapter 1 Purpose of translation and qualifications of translators E.g. 2 We shall design a barrel through which projectiles are to be fired comprised of a metal barrel shaped substrate upon at least the inner surface of which is coated a relatively thin layer of a dense, hard wear and corrosion resistant vapor deposited material having a Moh’s scale hardness of about 8 to 9