How often in the lectures or lessons on a stand, posters and other visual AIDS? Of course, stationery buttons! In recent years, however, they comes to the aid of sticky tape. However, neither one nor the other can not be called gentle fixtures — they spoil what keep. Universal and yet does not harm the posters device can be made of conventional rails. Connect the three strips of different width so that between them formed a groove — it will hold, for example, maps: it is enough to jam the cut sheet of rubber or conventional eraser wedges; and the — beveled fourth rail.
Recommend to read
CHRISTMAS TOYS… OF WATER
Has already become a good tradition to install a Christmas tree in the school yard, on squares and in parks. Their decoration is often used in traditional toys — glass, garlands of...
SIGHT – CHAMPIONSHIP
The magazine "M-K" in the last few years has published a number of interesting patterns with rubber motor, with an unusual decision nodes, and technological methods of their creation....
