Assertion: liquefied petroleum gas | /r/HasProperty | odorized
Facets:
Source sentences:
text: Among the general rules are those which require that all liquefied petroleum gases be odorized, that systems be duly tested by the Underwriters' Laboratory, or some other nationally-recognized laboratory, and that in installations utilizing storage containers of over 1,200 gallon-capacity, plans shall be submitted to the administrator for approval.