There are many hazards present aboard ships which render them a dangerous place to work. One of the most common maritime injuries is burns, which may arise from onboard fires or explosions, extremes of temperature, electricity, chemical exposure or friction. Other maritime injuries may result from falling overboard, falls caused by slippery decks or rough conditions, being hit with moving objects or injuries caused by collisions. Injuries which occur at sea may present more serious implications than those same injuries acquired on land, as there may be a long delay in receiving appropriate medical care if the vessel is far out at sea. Even though most maritime employees are aware of the dangers involved in their work, employers must still have appropriate procedures in place to protect their employees. Most maritime injuries are covered by the Jones Act, which allows maritime employees to claim compensation for injury or death occurring as a result of either employer or co-worker negligence.