Sales occurring in the pencil with eraser on the end is very convenient: it is always possible to erase an inaccurate line or bar.
However, to make such a pencil, if you use the appropriate cap from a ballpoint pen.
Cut off the top cap and insert the carved from a school eraser cylinder.
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WILL NOT CRACK
Paper tape glued to the joint between the door frame and the wall, protects the knot from cracking and shedding of plaster. Better to glue or PVA Bustilat. D. ZVEGINTSEV
TUBE LOCK
When connecting parts of the piping or hydraulic system, connect the tool to the pneumatic system or an irrigation hose at the joints not to do without special connector — threaded...