Assertion: indoor radon | /r/HasProperty | emitted
Facets:
value: from the building materials
type: OTHER
Source sentences:
text: Experience has shown that ASD is applicable to most buildings since radon usually enters from the soil and rock underneath and mechanical ventilation (MV) is used when the indoor radon is emitted from the building materials.
text: Experience has shown that ASD is applicable to most buildings since radon usually enters from the soil and rock underneath and mechanical ventilation (MV) is used when the indoor radon is emitted from the building materials.