What percentage of employees should undergo initial medical examinations every year of a mine?
A. 10%
B. 20%
C. 30%
D. 40%
Answer: Option B
A. 10%
B. 20%
C. 30%
D. 40%
Answer: Option B
Combustable oils or materials not used for filling in . . . . . . . . Equipment
A. Hydraulic
B. Chemical
C. Biological
D. Eletrical
Out of the following belt conveyor related items which one is provided for safety for the persons?
A. Loop-take-up
B. Idler set
C. Audio-visual alarm
D. sequential control switch
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