Question

repetitive motions, heavy lifting, and prolonged awkward postures are all which type of hazard? select the best option.
ergonomic
physical
biological
chemical
if you need to review this content, it can be found in the ergonomic hazards module of the health hazards in construction topic.

Explanation:

Ergonomic hazards are related to physical factors in the work - environment that can cause musculoskeletal disorders. Repetitive motions, heavy lifting, and prolonged awkward postures fall under this category as they can strain the body over time. Physical hazards usually refer to things like noise, radiation, etc. Biological hazards are related to living organisms or their by - products. Chemical hazards involve chemicals.

Answer:

A. Ergonomic