Select four of the scenarios presented below and formulate potential engineering, administrative, and personal protective equipment (if applicable) controls to eliminate or minimize each hazard for the worker(s) and their co-workers performing the same job.

1: An administrative secretary has developed early signs of Carpel Tunnel Syndrome associated with several months of increased computer word processing.  

2: Manufacturing employees who are making printed circuit boards are experiencing neck, upper back, and shoulder pain. They sit at long flat tables (workstations) and get the parts they need from small bins located on shelves about 3 feet above the flat workstation surface.

3: Laboratory scientists are complaining of sore thumbs associated with transferring chemical reagents from their primary containers to small test tubes using manual pipettes.

4: Nurse who lifts and maneuvers heavy patients is experiencing shoulder and back pain.