Using a strip of cloth, it is possible to screw the screw in any, even remote place.
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If the Wallpaper was formed glueless bubble and this place had to be cut, use a medical bag filled with glue (casein, PVA, etc.), it will help to inject it directly into the slot. Now...
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Of course, the wooden parts connecting screws — most reliable. But as the load places on the legs of chairs, doors loop — hole is gradually being developed; the same occurs with the...