Questions

One who copies from other writers is called Plagiarist.

The main difference lies in the motive of the two parties. The main motive of the hedger is to hedge(minimize) the risk from the occurence of some events. 

The motive of the speculator is to gamble in the market in order to make the profit by buying/selling the derivative products.

EyeROV TUNA, the India's first underwater robotic drone was launched and handed over to Kochi based DRDO lab and it can send realtime videos of ships and other underwater structures to help with their repair and maintenance.

The world's largest car park can hold 20,000 vehicles and is situated at the West Edmonton Mall in Edmonton, Alberta, Canada. There are overflow facilities on an adjoining car park for 10,000 more vehicles.