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.
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No matter how much humorists joke about repurposing items that have served their purpose, a DIY enthusiast's soul won't allow them to throw away something that could still be useful around...
PLIERS WITH SPRING
Work with pliers, side cutters or other similar tools will be significantly easier if the plastic knob to insert a spring made of cut steel wire with a length of about 150 mm.
