The main differences between the types of lasers have to do with wavelength. In other words, different laser wavelengths (colors of light) target different skin issues. Therefore, a variety of lasers are needed to treat a variety of skin concerns.
Salary by State or District. Average salaries for service coordinators vary somewhat by state or district. They earned an average salary of $68,000 in Washington, D.C., according to SimplyHired.com. They also made comparatively high salaries in Massachusetts and New York -- $52,000 and $51,000 per year, respectively.
Average salaries for project coordinators can vary by state or district. In 2013, they earned the highest annual salaries of $56,000 in New York, according to Indeed.com. Employers in Washington, D.C., California and Connecticut also paid these professionals relatively high salaries of $55,000, 53,000 and $52,000 per year, respectively.