4. Oil and Gas Rig Workers:

The oil and petroleum is an ever booming industry that needs constant supply of oil and gas rig workers. Though these workers are paid substantially, before entering this profession one should take into account that these workers have to work for 12 hours a day, stay for days / months in the middle of the sea away from their beloved families, deal with complicated machinery in the sea, and endure unforeseen and tough weather conditions every day, which makes this job one of the most risky profession in the world.

More: Learn How to Win Your Boss's trust

5. Elevator Mechanic:

This profession requires a lot of physical labor. Elevator mechanics have to carry out maintenance and repair tasks of elevators at cramped and dangerous working conditions. During work, they are prone to electric shocks, falling from heights and life threatening injuries. Their work may expose them to allergens and dusts, leading to several health complications. 

More: India and China Toughest Job Market for Employers