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.
Full-time employees currently make an average of $12.85 an hour, and part-time employees make an average of $9.48, Lundberg says. Those averages will increase to $13 and $10 respectively under the new plan.hat's at least $1.75 more than the federal minimum hourly wage of $7.25. By February 2016, hourly employees will make at least $10 an hour after completing about six months of training.