A farmer uses a hay rake behind his tractor to line up the cut hay before bailing it. There were three hay farmer fatalities in 2011, according to the US Department of Labor. Some farmers died when crushed by bales of hay weighing more than 600 pounds. Oil workers are paid well, but the job is very dangerous. Various things could happen, such as the drilling rig blowing up or the offshore oil platform collapsing. The US Department of Labor reports that 11 workers in the oil industry died while on the job last year. Truck drivers are often put into dangerous situations on the open road as well as in cities. Many drivers spend 20 hours or more driving at a stretch and suffer from fatigue due to lack of sleep. The US Department of Labor reported that there were 474 truck transportation-related deaths in the last year. Taxi drivers in New York City make their way through traffic in Times Square. These taxis tend to drive faster, putting them at higher risk for fatal crashes. Drivers also carry cash, which makes them a target for robbers. According to the US Department of Labor, there were more than 50 deaths related to taxi service in 2011. A construction worker dumps a pile of earth and rocks into a 40-ton dump truck in New Mexico. Construction-related injuries are said to be a majority of the work-related injuries in the country. Injuries include everything from broken bones to amputations. According to the US Department of Labor, there were 759 construction-related deaths in 2011. A butcher cuts beef in a meat packing plant. According to the US Department of Labor, there were 17 fatalities in this job field last year. The use of power saws and very sharp knives accounts for most of the injuries. Some deaths can be the result of deadly chemicals used and being hit by heavy animal carcasses. An ironworker walks atop an I-beam at a construction site in Cleveland. The US Department of Labor ranks Ironworking as one of the top 10 most dangerous jobs. Crews work at great heights and are more likely to fall while on the job. There were more than 140 building contractor deaths in 2011. Police officers have a big risk of being killed on the job, with the most common cause of death being traffic accidents. Officers are more likely to get into accidents while patrolling in cars, directing traffic or during a dangerous pursuit. The US Department of Labor reports that nearly 150 officers died in the line of duty last year. Sanitation workers are exposed to hazardous waste and by-products left in garbage bins or alongside roads on a daily basis. There's also heavy equipment, like compactors, that can crush them if they're not careful. According to the US Department of Labor, 72 sanitation workers died on the job in 2011. Besides the possibility of crashing, airline pilots struggle with issues like fatigue, dehydration and poor nutrition while flying large or small aircraft. Last year there were 27 deaths in the air transportation industry, according to the US Department of Labor. Roofers have the fifth-highest work-related death rate in construction. According to the US Department of Labor, workers can fall from scaffolds, ladders and roofs. Work areas can become extremely hot during the summer, which can cause heat-related illnesses. Nearly 80 roofing contractors died on the job last year. Coal miners have a long history of dangerous activities on the job. Underground hazards include suffocation, gas poisoning, roof collapse and gas explosions. According to the US Department of Labor, there were 17 deaths in the coal mining industry last year. Power-line mechanics are commonly seen working on tall poles that carry high-voltage electrical wires. It's no surprise that electrocution is a big risk on this job; the US Department of Labor reports there were 23 power-line deaths in 2011. Roofers have the fifth-highest work-related death rate in construction. According to the US Department of Labor, workers can fall from scaffolds, ladders and roofs. Work areas can become extremely hot during the summer, which can cause heat-related illnesses. Nearly 80 roofing contractors died on the job last year. Firefighters battle a brushfire in Carlstadt, N.J. According to the US Department of Labor, 33 firefighters were killed on duty last year. Some deaths were caused by vehicle accidents while crews were responding to or returning from an incident. Cardiovascular diseases also account for nearly half of firefighter-related deaths. A pond jumper pushes logs through a canal in order to move them. The logging industry had 76 deaths last year, according to the US Department of Labor. Most logging injuries or deaths are a result of working with heavy, moving weights and tools like chainsaws. A crab fisherman from the show "Deadliest Catch" tosses out a hook in the Bering Sea during king crab season. According to the US Department of Labor, there were 42 crab boat worker deaths in 2011. Most crab boat workers are injured or killed because of unsafe practices or defective equipment.