Identify the relation and match the columns making a chain

Explanation

a. Postal services are said to be conventional means of communication because, before the advent of the internet and mobile phones, the postal service was the only significant mode for communication. One service provided by the postal services is speed post.

b. Shivneri is the birthplace of chathrapathiShivaji. The Shivneri fort is a tourist hotspot. The only means to reach the shivneri fort is roadways. The roadway by the bus makes the comfortable journey to the fort.

c. The Internet is the world network connected with computers and mobiles through the satellite. The internet helps to exchange information throughout the world.

d. RoRO transport is the Roll-on/ Roll of transport which carries loads of trucks directly by the train. These services are done by railways and waterways, thus reducing the human effort in taking the truck from one place to another. It saves time carrying many trucks at the same time.