Heitzenroeder approaches the toughest tasks with unflagging optimism. (pppl.gov)
The recovery rate of corrugated has been augmented by the industry's unflagging commitment to educating retailers, packagers and consumers on the simplicity and benefits of recycling corrugated materials. (corrugated.org)
Linda Matalon (b. 1958, Brooklyn): The magazine Art in America described Matalon's post-minimalist work as an «unflagging effort, by turns dogged, tender, angry and amused, to wrestle pure vision into tangible form.» (cintasfoundation.org)