What must go with you while you are going out on a trip?
Either it’s a short trip or a long, a backpack is a must to take with you. But
if you are going to school, college, or...
Backpack, Rucksack, and Knapsack, these three words are, truthfully be told, similar in use. Anyone can hardly see the differences between them. Many people even cannot distinguish one from another. So, let's have a try to...