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
CULTIVATOR OF “EUREKA”
No doubt, the motor-plow or microtracker in the farm economy — assistant-all-trades. But where the plot-all small, and the garden trees and shrubs planted densely enough, the walk-behind...
“COINAGE” ON THE SEEDLING
Today literally stumble over used in metal tins of drinks. I was thinking of what to adapt them, painfully good material fine silver, not stainless. Finally I came up with: I cut...
