Assertion: purge | /r/HasProperty | continued whilst welding
Facets:
value: safely
type: MANNER
value: for up to 24 hours
type: TEMPORAL
Source sentences:
text: Luke Keane, distributor support for HFT, said: "HotPurge allows the purge to be safely continued for up to 24 hours whilst pre-heating, welding and post-weld heat-treating with the purge system remaining in place.