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A diagram of a chemical vessel with rescue pre-plan zones labeled hot, warm, and cold, including a master shut-off valve and compass rose, in a sketch and watercolor style on grid paper.

A diagram of a chemical vessel with rescue pre-plan zones labeled hot, warm, and cold, including a master shut-off valve and compass rose, in a sketch and watercolor style on grid paper.
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please make a simple site map for a rescue pre-plan. the site is a chemical vessel. please define hot, warm, and cold zones as well as indicating direction of north and a master shut-off valve See more

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