According to Rowling, the charm that Hermoine used to carry all supplies she, Harry, and Ron needed while hunting Horcruxes in just one bag was illegal. The Ministry of Magic has outlawed the Extension Charm because of its potential to be abused. Tsk tsk, Ms. Granger.
Updated in 2014 by Christine Black. Originally produced by Don Thackrey. Writing a proposal for a sponsored activity such as a research project or a curriculum development program is a problem of persuasion.
Technical writing is written communication in fields with specialized vocabularies, such as engineering, health, science and technology, according to About.com. The purpose of technical writing includes completing projects and persuading customers among other possible internal practices.