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1. 
Which is NOT a risk factor derived from safety conditions?:
A.
Work equipment
B.
Workplaces
C.
Physical workload
2. 
Which of the following has an influence on mental fatigue?:
A.
Working postures
B.
The amount of information that the worker must process
C.
Manual load handling (manipulación manual de cargas)
3. 
The limit noise level at which workers can be exposed per day is:
A.
85 dB
B.
87dB
C.
80 dB
4. 
The temperature of a workplace where light activity is performed should range:
A.
Between 17 and 24ºC
B.
Between 17 and 30ºC
C.
Between 14 and 25ºC
5. 
The most dangerous radiation for workers' health is:
A.
Non-ionizing radiation
B.
Chemical radiation
C.
Ionizing radiation
6. 
Hepatitis B is a disease caused by...
A.
A chemical agent
B.
A physical agent
C.
A biological agent