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.
This happens when you either drink carbonated beverages like beer and soda or eat too quickly. Additionally, chewing gum may also cause this condition. Smoking can also make someone burp more frequently than usual. In addition to burping, swallowing excessive gas can also cause gas pains in the stomach.