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.
Average and Median Earnings. 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.