Risky fector

There is lot of risk factor involved in it and hence there is a term risk allowance
which is give to the employee.It varies from position to position and company policy.
Risk such as water seepage .There is a history of accidents due to water seepage.
water comes accidentally and fills certain area of mines without giving any chance to the person
to escape. Though if a person is lucky enough to find air pocket(Area where air get trapped
due to water) but that gives time (few hours or few days) for survival , but then again the
person must be fit to survive hunger and thirst.
Snakes, scorpion ,poisonous insects are there which you may not see as it is dark and the only source of light is your helmet light and the light tunnel path way light, but during digging and making new pathway only source of light is headlight .