Oversee administration of instructor recognition evaluations and award the instructor. badges, and personnel development skill identifiers (PDSI) to qualified Soldiers in their. commands in accordance with Army regulation (AR) 600-8-22 and AR 614-200.
Typography is the design and use of typefaces as a means of communication. It is considered to have begun with Gutenberg and the development of moveable type. But typography has its roots in handwritten letterforms. Typography encompasses everything from calligraphy through digital type and type on Web pages.
Biostratigraphy is the branch of stratigraphy which focuses on correlating and assigning relative ages of rock strata by using the fossil assemblages contained within them.ossil assemblages were traditionally used to designate the duration of periods. Since a large change in fauna was required to make early stragtigraphers create a new period, most of the periods we recognise today are terminated by a major extinction event or faunal turnover.