Assertion: zeppelin's airship | /r/ObjectUse | used for heavy lifting
Facets:
value: currently
type: TEMPORAL
Source sentences:
text: Also, airships could be used for heavy lifting over short distances (e.g. on construction sites); this is described as heavy-lift, short-haul.
text: Although no rigid airships are currently used for heavy lifting, hybrid airships are being developed for such purposes.