1 High altitude: 1,500 to 3,500 metres (4,900 to 11,500 ft) - The onset of physiological effects of diminished inspiratory oxygen pressure (PiO 2) includes decreased exercise performance and increased ventilation (lower arterial PCO 2).
Structural Iron / Steel Worker Salary. (United States). Men make up the majority of Structural Steel Workers in the United States, bringing in about $18.59 per hour. Pay generally varies between $12.81 per hour and $30.32. Unfortunately, some people in this line of work are without benefits â about two-fifths lack coverage. On the flip side, more than half have medical insurance and nearly two in five receive dental plans.
The U.S. Bureau of Labor Statistics reports that the average annual salary of a millwright working in the United States was $50,650, or $24.35 per hour, as of May 2011. The median-earning 50 percent of millwrights made between $38,550 and $62,740 per year, and the highest-paid 10 percent earned $72,800 or more per year. Pay by Industry As of 2011, the bureau reports that millwrights working in support activities for water transportation earned the highest pay by industry, an average of $68,280 a year.