Our DAC system has four major unit operations that comprise a closed chemical loop, which continuously captures CO2 from atmospheric air, and delivers a purified compressed stream of CO2, using only water and energy as inputs. (carbonengineering.com)
He places strong emphasis upon cult and oral tradition; and he predicates meaningful unity only in extended sections of the Old Testament: the Tetrateuch, Genesis — Numbers, is a unity characterized by the pervading priestly point of view dominant in the entire section; and Deuteronomy — II Kings is a second major unit reflecting chiefly the perspective of the Deuteronomic point of view. (religion-online.org)
Honestly, I don't have a problem with it as a reward once in awhile in middle / high school (ace major unit test, etc). (thelunchtray.com)