The correct answer would be option A, Ergonomics.
Repetitive motions, heavy lifting and prolonged awkward postures are all Ergonomics Hazards.
Explanation:
Ergonomics Hazards are basically concerned with the Physical Factors. These factors harms the musculoskeletal system.
Ergonomic Hazards include the following:
- Repetitive motions
- Heavy Lifting
- Manual Handling
- Workplace Design
- Uncomfortable workstation height
- Poor body positioning
- Awkward body postures, etc
These are all the ergonomic hazards which directly affect a person's efficiency.
Learn more about Workplace Hazards at:
https://brainly.com/question/10892973
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