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.
Data compiled by the BLS in 2010 estimated the mean annual salary of heavy and tractor-trailer truck drivers â the type of rig operators who drive long distances â at $39,450.ayment System and Benefits. Long-distance truck drivers generally earn by-the-mile pay. Heavy rig operators can earn bonuses for time efficiency. Employers pay rental fees to drivers who also own their trucks.