A nail and a screwdriver located as shown, will help you out, if in the bustle of work had disappeared the key from the Chuck of the drill and the drill bit must be urgently replaced.
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The majority of apartments have internal wiring is three wires, one of which is zero, and the other two are derived for the switch. In the slot of the switch there are three wires, two...
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Monophonic electronic musical instrument (see figure) is assembled on a single chip К176ЛА7 containing four two-valve "AND—NOT". On D1.1 is made the generator of frequency vibrato. The...
