If the drawer have a lot of pencils, markers and pens — do yourself here’s a handy table pencil. It will require a minute of free time, plastic, ceramic or glass jar and strips of thick paper (e.g., Whatman). Screw the paper tubes and fill them to the Bank: they are comfortable will keep any stationery.
Recommend to read
POLYETHYLENE COVER
From the lids for mayonnaise-tion jars and milk bottles can be cut uplotnitelya strip — polyethylene sufficiently elastic material. And cut the rim of the lid — ready clamp for rubber...
“COMPACT-800” — Engine for UAV
Numerous gatherings of amateur aircraft designers brought together hundreds of small aviation enthusiasts, and this clearly showed that interest in designing amateur aircraft is...