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.
The U.S. Bureau of Labor Statistics reports the median wage for heavy equipment operators in the United States is $41,870, an hourly wage of $20.13 per hour, as of May 2012. The average nationwide for those who operate bulldozers, backhoes, cranes and road grading machinery is slightly higher than the median, at $46,270 per year, or $22.24 per hour.