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Observatory question

Why can an odor move between rooms?

Pressure and airflow can transport odor far from its source and reverse direction when equipment changes.

?question

Pressure and airflow can transport odor far from its source and reverse direction when equipment changes.

Useful answer

Pressure and airflow can transport odor far from its source and reverse direction when equipment changes.

What to record

Write down the date, location, trigger and any change since the previous observation.

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