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.
Long-haul truck drivers working in the industry of general freight trucking earned an average of $41,100 a year, while those working in specialized freight trucking earned an average of $38,690 as of 2010, reports the bureau.