What are the 4 roles in VPP hazard elimination?

Engineering

Design the hazard out of the work. For example, providing telephone technicians with head sets to avoid neck strain.

Administrative

Significantly limits daily exposure to hazards by controlling or manipulating the work schedule or the manner in which employees perform the work.

Safe Work Practices

Includes workplace rules, safe and healthy work practices, and procedures for specific operations, such as fire evacuation procedures.

Personal Protection

Reduces employee exposure to hazards when engineering and administrative controls are not feasible or effective in reducing these exposures to acceptable labels.