In the school, college or university class routines, there should be no classes for the teachers to conduct at a stretch such as 10-11, 11-12, 12-1. There must be a little gap in between the classes such as, 10-11, 11:10-12:10, 12:20-1:20. These gaps are so important because after conducting one class, a teacher needs some moments to reach another class. In addition, the students also need some time to freshen up. In fact, the classes in a row make them feel bored.

In the school, college or university class routine, there should be no classes for the teachers to conduct at a stretch such as 10-11, 11-12, 12-1. There must be a little gap in between the classes such as, 10-11, 11:10-12:10, 12:20-1:20. These gaps are so important because after conducting one class, a teacher needs some moments to reach another class. In addition, the students also need some time to freshen up. In fact, the classes in a row make them feel bored.

Many things may face extinction with the passage of time. But, some things will never go extinct. For instance, the printed books and the classrooms!

সময়ের পরিক্রমায় হয়তো অনেক কিছুই বিলুপ্তির মুখোমুখি হবে। কিন্তু, কিছু জিনিস কখনোই বিলুপ্ত হবে না। উদাহরণস্বরূপ, ছাপা বই এবং শ্রেণীকক্ষ!