In 2011, nonresidential building construction provided almost a quarter of the 195,000 jobs for contractors, with average salaries at $45.41 per hour, or $94,450 per year. Building equipment contractors contained 14 percent of the positions at a mean $46.52 per hour, or $96,750 per year.
Burps can also be caused by drinking carbonated beverages, such as beer, soft drinks, energy drinks, and wine in which case the expelled gas is primarily carbon dioxide from the drink itself. Common diabetes drugs metformin and Byetta can cause burping, especially at higher doses. This often resolves in a few weeks.
Rotten egg burps can be caused due to a number of reasons. Some of the causes that people experience rotten egg burps are as follows: 1  Medical conditions: Helicobacter Pylori, bacteria that is known to cause conditions such as burps, heartburn, gastritis, abdominal bloating and gastric ulcers.