Table 6. Shows key test in the differentiation of the virdidans streptococci. Most species can only be identified to viridans species group. The VP test aids in the identification and differentiation of the viridans streptococcal species and is a key reaction for the S. anginosus group.
Air Traffic Controller Salary. The average pay for an Air Traffic Controller is $84,815 per year. Experience has a moderate effect on income for this job. $38,929 - $148,967.
What is the Average Salary of a Flight Engineer? In 2014, the U.S. Bureau of Labor Statistics (BLS) reported that airline pilots, copilots, and flight engineers earn an average yearly salary of $118,140.