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.
In other words, the 252,540 mechanical engineers in the United States earn a mean hourly wage of $40.75. The bottom ten percent in the occupation earn an annual salary of $52,030, while the top ten percent brings home a six-figure average salary of $121,530 each year.