Device for preventing a person falling during ascent and descent (embodiments)
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Multiblade screw pile (versions)
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Method of installing markers fixed on wires and ground wires of overhead power lines with the use of unmanned aerial vehicles (variants)
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Method of preventing person from falling when rising and lowering on supports of overhead transmission lines and device therefor
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Method of wires' oscillation damping of overhead transmission lines, fibre-optic cable communication lines and device for its implementation
