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. REFRMCHA - Do you possess at least Five years of experience in the HVAC or refrigeration mechanic trade, such as heating and cooling, hydronic heating, refrigeration cooling, or mechanical contractor or inspector, including one year equivalent to a Refrigeration Mechanic E9., OR have you completed a vocational training program in refrigeration mechanics that includes commercial or industrial level instruction and three years of such experience?.