Industrial revolution has made introduction of machines in the life of mankind and since then proved as a boon. A jack is a mechanical device used in lifting heavy loads with applying great force. A jack has a screw thread or hydraulic cylinder to apply with high linear forces. You might have seen the car jacks or floor jacks used in the auto garage and repair centres. Used for lifting the vehicle, it helps in carrying out the maintenance works conveniently.

Pallet jack or pallet tra...