Which factor is NOT typically considered in ergonomics?

In the context of ergonomics, the primary focus is on the interaction between humans and their working environment, including how to optimize that relationship to enhance comfort, safety, and performance. Factors such as human capabilities, workplace safety, and task efficiency are all central to ergonomic design.

Human capabilities refer to the physical and cognitive limits of individuals, which is crucial for designing tools and workspaces that accommodate these limits to prevent strain and injury. Workplace safety is equally essential; ergonomics seeks to identify potential injury sources and devise solutions to mitigate risks. Task efficiency concerns how well tasks are performed, including aspects of design that can either facilitate or hinder productivity and comfort for workers.

Manufacturing efficiency, while certainly an important aspect in production and industrial settings, is not a primary consideration under ergonomics. It typically prioritizes output and productivity without directly addressing the specific needs and health of the worker using the equipment or engaging with the task. Thus, manufacturing efficiency is not aligned with the core principles of ergonomics, making it the correct choice in the context of the question.