O33, G21, I21, J24, D12, D91, C93
C91, D31, I31
C93, D91, J24, J63, M54
Q12, Q16, J16.
C83, D14, E31, G51, G53
C93, I23, I26
A23, B54, C93, I23
C93, D12, G10, M41
O33, Q12,Q16
J28: Safety • Job Satisfaction • Related Public Polic, J81: Working Conditions, I31: General