#774512

#774512: Checking of fire hydrants with the launch of water is not less

Checking of fire hydrants with the launch of water is not less
Варианты ответа:
  • once a semester
  • once a quarter
  • once a year

🔒 Ответ будет доступен после оплаты

Тематика: Автоматические системы пожаротушения и связь Пожарная безопасность Техника безопасности и санитария
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