Assertion: class clean room | /r/HasProperty | regulated
Facets:
Source sentences:
text: Class 100 clean rooms are Federal Standard 209 regulated and never exceed 100 particles per foot.
text: Class 1000 clean rooms are Federal Standard 209 regulated and never exceed 1000 particles per foot.
text: Class 10000 clean rooms are Federal Standard 209 regulated and never exceed 10000 particles per foot.