{"aspect_id":"AS127","aspect_name":"second-moment-of-area","aspect_reference":"NIST SP-811","aspect_symbol":null,"name":"second-moment-of-area foot to the fourth power","scale_id":"SC1027","scale_name":null,"scale_symbol":null,"scale_type":"ratio","symbol":null,"unit_id":"UN1068","unit_name":"foot to the fourth power","unit_reference":"https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8#F","unit_symbol":"ft4"}