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 Salaries. The 2011 average salary for all construction equipment operators -- which numbered 335,410 in the U.S. -- was $45,720 per year or 21.98 per hour, according to the Bureau of Labor Statistics.The salary earned by the lowest 10 percent of bulldozer operators was $26,730 annually or $12.85 per hour.he number of jobs for bulldozer operators is expected to grow 23 percent between 2010 and 2020, according to the U.S. Bureau of Labor Statistics. That's much higher than the national average for all occupations. Annual salaries depend on your work experience and region.