J16, D83, D91, G41
C93, D83, I10, I31, L82, L86, Z13
O33, G21, I21, J24, D12, D91, C93
I12, I14, I15, I25
I12, I14, I15, I25
M12, M54, J24, L84
C91, D31, I31
C93, D91, J24, J63, M54
Q12, Q16, J16.
J28: Safety • Job Satisfaction • Related Public Polic, J81: Working Conditions, I31: General