Promotion action: regarding to actions that seek quality improvements in living and working conditions. (Teixeira et al., 2000)

Prevention action: regarding actions to prevent risks, injuries and diseases. (Teixeira et al., 2000)

Assistance action: concerning actions of assistance, diagnosis and treatment of diseases. (Teixeira et al., 2000)

Rehabilitation action: concerning the actions of recovery and rehabilitation of undermined functions. (Teixeira et al., 2000)