Assertion: clean room's particle | /r/HasProperty | 0.5 microns
Facets:
Source sentences:
text: This equates to a Class 100 cleanroom under the Federal Standard 209E, which allows for 100 particles (0.5 microns or larger) per cubic foot of air.
text: In order to meet regulations, a Class 100 standard clean room must never exceed 100 particles per cubic foot (the particles being 0.5 microns or larger).