Special fluorescent light bulbs generate radiation similar to natural UV light, and were used in the study. Growers put the plants under 40W Westinghouse FS-40 Sunlamps 10 inches from the canopy.
Crane Operator Salary. A Crane Operator earns an average wage of Â£11.95 per hour. For the first five to ten years in this position, wages increase somewhat, but any additional experience does not have a big effect on pay. Â£19,115 - Â£64,750.
As of May 2011, the Bureau of Labor Statistics estimates that about 41,070 crane and tower operators were employed in the United States. These workers earned an average wage of $24.06 an hour and $50,040 a year.The middle-earning 50 percent of crane operators reported wages of between $17.07 and $29.36 an hour, with annual salaries ranging from $35,510 to $61,060 per year.rane operators employed primarily in nonresidential building construction made somewhat less, an average of $53,070 a year. Those who worked in mining averaged $47,010 per year, and those employed by iron and steel mills made an average of $45,710 per year. Related Reading: Salary of a Barge Crane Operator.