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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STAIRCASE WITH… “BOWSTRING”
A lot of different equipment and tools required for the country, and especially subsistence farming. Not least among them is the largest ladder that I once needed, and quite long (or in...
SECURITY ALARM
This is a safety alarm device (SLD) is designed to automatically alarm (electrozone) in the case of penetration of unauthorized persons in the protected object — an apartment, dacha,...
