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
SEAPLANE W-2
SEAPLANE W-2. Scale model 1:33. In Russia in the late 20-ies of the last century there was an urgent need in small aircraft for communication with remote facilities. Especially this...
CUT A HAMMER…
Simple attachment to the percussion pneumatic tools such as pneumatic type, 5K or 5K-MP offered by the innovator of the production Association "Znamya Truda" fitter V. Ivanov, allows you...
