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.
Common Causes of Belching and Burping. 1  Some kinds of food that causes a person to produce too much gas in their stomach include fresh fruits, certain vegetables, fizzy drinks like soda and beer. Even fruit juices like apple juice, prune juice, or grape juice may induce a lot of gas in the stomach. But the most common cause for belching is excessive consumption of aerated drinks. When you are suffering from a bout of belching, try and remember if you have been swallowing a lot of air.