Calcium stones are the most common. They can be made of calcium oxalate (most common), phosphate, or maleate. Eating fewer oxalate-rich foods can reduce your risk of developing this type of stone. High-oxalate foods include potato chips, peanuts, chocolate, beets, and spinach.
Differences in Pay. Long-haul drivers typically make the most money. Data from the Bureau of Labor Statistics shows the median annual pay for heavy and tractor-trailer drivers in 2010 was $37,770. Some short haul drivers' wages may be included but the BLS states most drivers in this category are long haulers. Delivery and driver/sales workers are described as those who pick up, transport and drop off packages within a small region or urban area. In 2010, their median annual income was $27,050.
Average National Pay. According to the Bureau of Labor Statistics, long-haul truck drivers reported an average wage of $19.40 an hour as of 2012. The average long-haul truck driver reportedly earned an average annual salary of $40,360. However, pay fluctuates by location, by industry, and according to how much freight a long-haul trucker delivers per year, leading to a range of possible salaries.