Question

repetitive motions, heavy lifting, and prolonged awkward postures are all which type of hazard? select the best option. ergonimic physical biological chemical

Explanation:

Ergonomic hazards involve factors in the work - environment that can cause musculoskeletal disorders. Repetitive motions, heavy lifting, and prolonged awkward postures are typical ergonomic hazards. Physical hazards are more about environmental factors like noise, radiation. Biological hazards are related to living organisms like viruses, bacteria. Chemical hazards are about chemicals like acids, solvents.

Answer:

Ergonomic