Assertion: impact attenuator | /r/HasProperty | installed
Facets:
value: improperly
type: MANNER
Source sentences:
text: They are installed to offer additional protection to structures, motor vehicles, their occupants, as well as highway construction workers.
text: A traffic impact attenuator can actually become a safety hazard in its own right if it is installed improperly, if non-approved systems are used, or if it is not maintained and repaired regularly.