When the pencil lines of the drawing or drawing close to each other — the usual eraser, it is difficult to remove the erroneous one so as not to damage the adjacent correct. But this operation will be virtually the exact jewelry and if a thin slice of gum to hold in the “beak” of the spring: simple and convenient.
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ROCKET UNIVERSAL
Today we offer our readers a model of two-stage missiles S1C and S2B, developed by a member of the team To, Butrova. Its peculiarity is the unusual principle of resetting the second...
INCREASE THE RELIABILITY OF THE “GRINDER”
A master homebrew, working with metal, have in their Arsenal, angle grinder, called colloquially the "grinder" (the name originated in the old "stagnant" times, due to the fact that this...
