1. Другие предметы
  2. 1. Для каких целей в

1. Для каких целей в домах устанавливают электрические счётчики и автоматические выключатели? 2. В чём отличие принципиальной схемы электрической цепи от монтажной?

3. Какие правила безопасности необходимо соблюдать при выполнении электротехнических работ?

Doxlaz Doxlaz    3   14.11.2020 16:04    65

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