Assertion: acetylene | /r/HasProperty | released
Facets:
value: during leaks
type: TEMPORAL
value: during accidents
type: TEMPORAL
Source sentences:
text: In the US, National Electric Code (NEC) requires consideration for hazardous areas including those where acetylene may be released during accidents or leaks.
text: When the acetylene, if any, has been released and the pressure within the cylinder has been reduced to atmospheric pressure as described in Clause 5.1, the valve may be removed after an additional check is made to establish that there is free passage through the valve.