Clean rooms are enclosed spaces inside which the level of contamination and pollutants like chemical vapors, dust and airborne microbes are reduced and controlled. Cleanrooms also control a wide range of environmental aspects and atmospheric conditions, such as air pressure, humidity, moisture and temperature. The goal of clean rooms is to provide a space in which users can build critical components and test products for performance, durability, etc. without having to worry about contamination. Clean rooms also allow users to simulate the environment or environments in which an item will be used. Aerospace engineers, for example, can have a clean room built that simulates the air pressure, temperatures, gravity levels, etc. that will be present in the environment an aircraft or spacecraft will operate. Inside this control environment, testing is much more efficient and results are much more accurate. Clean rooms are essential to applications that rely on pristine air quality and particle elimination. These applications include: optics, aerospace, medical device, biotechnology, software engineering, pharmacological studies, infectious disease testing, and various medical research operations and products testing.