Final answer:
Hazards associated with harboring pests, such as rats or mice, is another potential risk of poor housekeeping, as it can lead to the spread of diseases and contamination.
Step-by-step explanation:
Poor housekeeping can expose workers to a variety of hazards beyond the obvious risks of tripping, fire, and explosion. Among the given options, hazards associated with harboring pests, such as rats or mice, is a relevant concern. These pests can spread diseases, contaminate food supplies, and cause structural damage, which can all pose significant health risks to workers. Poor housekeeping can lead to unsanitary conditions that attract these pests, creating an environment where they can thrive and multiply. Proper housekeeping practices are crucial in preventing these kinds of hazards in the workplace.