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.
Heavy and tractor-trailer truck drivers transport goods from one location to another. Most tractor-trailer drivers are long-haul drivers and operate trucks whose gross vehicle weight (GVW) capacityâthat is, the combined weight of the vehicle, passengers, and cargoâexceeds 26,000 pounds.32,800. The median annual wage for heavy and tractor-trailer truck drivers was $38,200 in May 2012. The median wage is the wage at which half the workers in an occupation earned more than the amount and half earned less. The lowest 10 percent earned less than $25,110, and the top 10 percent earned more than $58,910.