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SOLDERING TIP FOR IC
Soldering chips easy electric soldering iron with special tip (see figure). For this presleyana copper rod of diameter 4-5 mm drill hole Ø 0,8 mm at the depth of 6 mm. Drilling is...
NOT OUTSIDE, BUT INSIDE
In winter, a suit for window boxes"refrigerators" to store perishable products. It is not very convenient for many reasons: it is necessary to open the Windows; the produce into the...
