{"aspect_id":"AS172","aspect_name":"linear-force-density","aspect_reference":null,"aspect_symbol":null,"name":"linear-force-density pound-force per foot","scale_id":"SC1105","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":null,"unit_id":"UN1146","unit_name":"pound-force per foot","unit_reference":"https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#P","unit_symbol":"lbf.ft-1"}