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
HACKSAW-UNIVERSAL
Everyone is familiar with the hacksaw. She has to be young no technique, no home handyman. Firmly holding the canvas top frame, but it limits the possibilities of the instrument....
PRECISELY IN THE PURPOSE
Playing Indians, army scouts, or as they say, "war games", often not complete with throwing knives, Darts, archery in the target. And the desire to get to the center ("ten", "Apple")...
