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
…AND WITH THE WIND AT FULL SAIL!
Wish to give modelers another way to give the sail models naturally convex shape. This method is simple, but perhaps more effective than others. Its essence is as follows. ...
THE SAND IN THE ROLE OF THE PRESS
In the manufacture or repair of products in the home often have to glue the parts (and more parts) of various materials relevant brands of glue, good in selling their great variety —...
