In shipping terms, a '''Car Seal''' refers to a metal strip and lead fastener used for locking [[freight]] car or truck doors. Seals are numbered for record purposes.<ref>U.S. Department of Transportation Maritime Administration [http://www.marad.dot.gov/publications/glossary/glossary.html]</ref>
+
In shipping terms, a '''Car Seal''' refers to a metal strip and lead fastener used for locking [[freight]] car or truck doors. Seals are numbered for record purposes.<ref>[http://www.marad.dot.gov/publications/glossary/glossary.html U.S. Department of Transportation Maritime Administration]</ref>