of bureaucratic waste sample indicates a part or unit taken at random from a larger full and so presumed to generally be normal of its traits. case - the enclosing body around a door or window opening; "the casings experienced rotted away and had to get replaced" a : https://findsomeonetodocasestudy05180.blogginaway.com/36453449/about-hire-someone-to-do-my-case-study