Used by dressmakers for ripping the old seams convenient rezachek in the form of a two-pronged fork with a sharpened inner edges will serve to raskryvanie sheet soft plastics, as shown in the figure.
Recommend to read
FORE-AND-AFT ON THE HELICOPTER
Repeated attempts to rework expense of building a traditional model helicopters RC, as it was with model airplanes and gliders, were unsuccessful. This is because model helicopters, free...
THE WINGS OF THE PILE
Mechanical properties and geometry accuracy of load-bearing planes of flying models is largely dependent on technology, build their skeleton. The most known and widespread technique of...
