# Chapter 1 - Exercises: Things Engineers Think About: 2

The patient on the operation theater is on low immunity. Thus by maintaining a high pressure we can make sure that the pressure causes the air to flow outwards thus causing the bacteria to flow outwards and thus away from the patient.

#### Work Step by Step

The patient on the operation theater is on low immunity. Thus by maintaining a high pressure we can make sure that the pressure causes the air to flow outwards thus causing the bacteria to flow outwards and thus away from the patient.

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