Question

______ is concerned with the design and arrangement of machines and furniture to avoid uncomfortable or unsafe experiences.

○ ergonomics
○ positioning
○ occupational safety
○ repetitive strain prevention

Explanation:

Ergonomics focuses on designing and arranging machines and furniture to enhance comfort and safety, reducing discomfort or unsafe experiences. Positioning is a part of ergonomics but not as comprehensive. Occupational safety is broader and not solely about design and arrangement for comfort. Repetitive - strain prevention is a specific aspect within ergonomics.

Answer:

A. Ergonomics