To prevent injury during rack loading which of the following should be implemented?

Non-powered tools relate to electrical safety or tool selection, not to preventing physical injury during manual lifting operations.

Proper lifting techniques, such as bending at the knees, keeping the back straight, and using assistance for heavy equipment, directly mitigate the risk of musculoskeletal injuries like back strains. This ensures the safety of personnel handling and installing servers or other devices into racks, which can be physically demanding tasks.

Antistatic device deployment (e.g., ESD straps) prevents damage to electronic components from electrostatic discharge, not physical injury to personnel.

Proper device cabling is important for functionality and airflow, but it does not prevent physical injury during the act of loading equipment into a rack.