Appeared in the sale of original brushes for drawing, the pile of which is pressed into a special plastic handle, as the core of the pencil. To “sharpen” enough to hold the tip over a fire: it will burn, and fire resistant hairs exposed, and you can draw.
But in the same way as a pencil, this brush soon becomes very short. However, it should paste it into the appropriate tube, and it will serve more.
Recommend to read
THE CORRUGATED BOARD MOTOR
Not so long ago in the journal "modelist-Konstruktor" was about the simplest model of a glider made from a conventional packaging corrugated Board material although not aeromodelling,...
FIGHTERS SEEDS ALEKSEEVA
In 1946, after about a year after relocation, the design Bureau of S. A. Lavochkin in Moscow at the plant named after Sergo Ordzhonikidze in Gorky organized the design Bureau OKB-21,...