Answer to Question 1
4
Rhabdomyosarcoma is a soft tissue tumor resembling striated muscle, and it is seen in the extremities, head, neck, urinary tract, or reproductive organs. Chondrosarcoma is a bone tumor most commonly seen in the knees, shoulders, and pelvis. Ewing's sarcoma is a bone tumor found in the diaphysis of the femur and the flat bones of the pelvic girdle. Neurofibrosarcoma is a soft tissue tumor found in nerve sheaths.
Answer to Question 2
3
An internal event is an event inside the facility, such as a fire in the building or a water pipe breaking. All the other events are outside the facility and would be external.