OR One year of experience assisting skilled trades workers in the repair and maintenance of heavy equipment AND the completion of 12 semester (18 term) credits in one or more of the following coursework areas: heavy duty truck, heavy equipment repair, diesel engines, math, or physics, OR One year of experience assisting skilled trades workers in the repair and maintenance of heavy equipment and two years of experience assisting skilled trades workers in the repair and maintenance of automobiles. Great Lakes and Great Times:Michigan boasts four Great Lakes, 11,000 inland lakes, 36,000 miles of rivers and streams, 20 million acres of forests, 100 state and national parks and recreation areas, 1,300 miles of bike trails, 6,500 miles of snowmobile trails, the second-most ski areas in the nation, 650 public golf courses, 600 campgrounds, and an international dark-sky park—just for starters.