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.
As of May 2013, manicurists and pedicurists earn an average annual salary of $21,790, according to the U.S. Bureau of Labor Statistics (BLS). This translates to an average hourly wage of $10.48. The majority of workers earned between $8.03 and $14.58 per hour. Because much of your income will come from tips, you're likely to earn better money working for salons and day spas that charge higher fees for nail services. Between 2012 and 2022, the BLS predicted that manicurist and pedicurist jobs will grow faster than average, at 16%.