Refillable DIN A4 and DIN A5 exercise books

摘要

2.1. In schools, increasing use is made of exercise books and covers which are often disposed of as recyclable refuse at the end of the school year. The refillable exercise book is economical of space, can be stored arranged in chronological order and avoids creating additional refuse by saving covers and binding boards. 2.2. Refillable exercise books consist of: 2.2.1. an outer cover whose front has a rectangular or square cut-out. In the centre of the inner side, a narrow metal or plastic ring is pulled through, the ends of which serve for filing the insertable exercise books. 2.2.2. inserted exercise books of the respective line ruling, which are clipped in the centre of the exercise book and possess two insertion slits for filing. In order to enable them to be removed and stored without difficulty, they are hole-punched along their long edge. 2.3. Refillable exercise books are suitable for use at all types of school.