Fine sandpaper glued to a wooden block, often used for editing — the sharpening of the stylus. I propose to stick the sandpaper is not on the block and on the fixed sloping lid plywood or plastic boxes. What gives? When the edit box of pencils always at hand, slate powder poured into it and is stored there, without dirtying the drawing. MADELINE V., p. Berezovka, Voronezh region
Recommend to read
THE SPIRIT LEVEL TUBE
To control the horizontal position of the parts and elements of building structures typically use a bubble level. To as, for example, to check the position of the roof ridge or panels,...
NOT WITH WAX, AND CLAY
For better preservation of volatile liquid vials are usually recommended to clog with wax. However, it is not convenient, if the bubble has to be open often. It is better to use clay:...
