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.
Chromatography is a pretty accurate description of what happens to ink on wet paper, because it literally means color writing (from the Greek words chroma and graphe). Really, though, it's a bit of a misnomer because it often doesn't involve color, paper, ink, or writing.hromatography is actually a way of separating out a mixture of chemicals, which are in gas or liquid form, by letting them creep slowly past another substance, which is typically a liquid or solid.