| http://www.w3.org/ns/prov#value | - In sum, while the control of air borne contaminants and relative humidity is critical to the preservation of innumerable types of materials and devices, there currently does not exist an air quality control system that is orientation independent, small, rugged, inexpensive, power independent, able to handle extremes in relative humidity, able to withstand long periods of dormancy without maintenan
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