It doesn't have to be spectacular to hurt. A lot of people get hurt doing unspectacular things, such as preparing food, cutting across lawns, tripping on floor mats and lifting and moving objects. People also get hurt when they are unfamiliar with their workplace and the associated hazards.
What NASA does is risky. When we bring new people on board, it is imperative that we train them in general safety practices and specific hazards of the job and environment. Managers need to be sure that all employees are aware of what they need to do to work safely. All NASA employees need to know what to do in an emergency and how to report safety concerns. Preventing unspectacular mishaps will help prevent larger and more serious mishaps.