In an early, simple hay tedder described in 1852 and manufactured in Edinburgh by the company of Mr. Slight, the two wheels, via a spur wheel and a pinion, drive a set of light wheels, the rake wheels; on these two rake wheels are mounted eight rakes, which pick up and disperse the hay.
It should be noted, how-ever, that only about 1 out of every 10 STEM workers has a high school diploma or less. Those with gradu-ate degrees in a STEM job earned more than $40 per hour, nearly $4.50 more per hour on average than those with non-STEM jobs.
Phlebotomy Salary per Hour. According to the U.S. Bureau of Labor Statistics, the average hourly wage was $15.10 in 2013. That mean annual wage was $31,410 for the same year. If youâre starting your career, you can expect between $10.46 and $12.27 hourly and $21,760 and $25,510 annually.