#774520

#774520: What time should is hot works in hazardous and explosive objects (except for emergency)

What time should is hot works in hazardous and explosive objects (except for emergency)
Варианты ответа:
  • in the daytime
  • -at any time
  • at the discretion of responsible for hot work

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