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Course Listings 2017-2018 230 HEO216 2 Credits 2 Periods Motor Graders Terminology. Grader types and uses. Components and controls. Safety. Preventative maintenance. Operations and work activities. Prerequisites: Employee of Maricopa County or permission of instructor. HEO222 1 Credit 1 Period Heavy Equipment Operations: Finishing and Grading Procedures for equipment check. Finishing equipment: scrapper, motor grader, articulated motor grader, rigid frame motor grader, telescoping excavator, bulldozer. Roadway specifications and materials. Techniques of finish grading. Tolerances for slopes. Subgrade and base process. Landscape finish. Prerequisites: Employee of Maricopa County or permission of training director. HISTORY (HIS) HIS100 3 Credits 3 Periods History of Western Civilization to Middle Ages Survey of the origin and development of Western civilization and its institutions from prehistory through the Ancient World and the Middle Ages. Prerequisites: None HIS102 3 Credits 3 Periods History of Western Civilization 1789 to Present Survey of the origin and development of Western civilization and its institutions from the French Revolution through the present. Prerequisites: None. HIS103 3 Credits 3 Periods United States History to 1865 The political, economic, and social development of the United States from the Pre-Columbian Periods through the end of the Civil War (1865). Prerequisites: None. HIS104 3 Credits 3 Periods US History 1870 to Present The political, economic, and social development of the United States from the Reconstruction Periods up to the present time. Prerequisites: None. HIS108 3 Credits 3 Periods United States History 1945 to the Present Survey of American history from 1945 to the present. Focuses on the political, social, economic and cultural history of the United States from the end of World War II to the present time. Includes domestic developments and foreign policy. Prerequisites: None HIS145 3 Credits 3 Periods History of Mexico Survey of the political, economic, and social forces which have shaped the development of Mexico from pre-Columbian times to the present. Prerequisites: None