The shades for the chandeliers or lamps are so narrow that screw in a light bulb, and if necessary, remove the ceiling — the hand crawls inside to remove the plastic retaining nut cover. Make it allows… wooden Laundry tongs, as shown in the figure.
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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...
