In the old days the cabinetmakers of the port-cities bought the seamen shark skins are covered with keratinized scales krapkowicki flaps allowed us to grind even hard woods. Maybe they have prompted the invention of the abrasive cloth, the appearance of which dramatically expanded the capabilities of processing a variety of materials compared to the emery will namnam. And yet, the cord lacks flexibility, which is especially felt on curved surfaces. Make it a substrate, paper or fabric, here are the parallel incisions and rigid sheet will find surprising softness, can impose any decorative parts.
Recommend to read
VARTULI: A NEW GENERATION?
In the competition of young avtomodelistov as the winter sports season and summer now dominates the aviation scheme snowmobiles and cars. Their scheme is already thoroughly known and,...
THE LIGHT WILL ACTIVATE THE SIREN
The proposed German magazine "Funkamateur" light relay is activated when light falls on the photoresistor R1 (see diagram) — when this occurs, a loud siren sound. Transistors VT1, VT2...
