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.
starting salaries up 1 2 percent for class of 2014 grads the average starting salary for new college graduates earning bachelor s degrees has increased 1 2 percent over last year according to nace s april 2014 salary surveyesults from nace s forthcoming spring 2015 salary survey show that stem graduates tend to underestimate the going rate for their abilities top paid social sciences majors at the bachelor s level among the social sciences graduates economics majors are projected to earn starting salaries that average nearly $ 51000