{"ver":"1.1","assets":[{"id":55,"required":0,"title":{"text":"Why Net-Weight Filling Beats Volumetric Systems"}},{"id":56,"required":0,"img":{"url":"https://cdn.stackadapt.com/creatives/25322/DbyYhB-nYk713jeoSlhAVQDIM%231200x627.png","w":1200,"h":627,"ext":{"type":3}}},{"id":57,"required":0,"img":{"url":"https://cdn.stackadapt.com/creatives/25322/B9xauZPVpSh-ES7jNbmvRgDIM%23300x300.png","w":480,"h":360,"ext":{"type":1}}}],"imptrackers":["https://srv.stackadapt.com/cookie?campid=2872099&is_ctv=0&nativeid=11642688&domain=britannica.com%3A%3A158&auctionid=1-8065-176166555717726171922654-1&impindex=0&m=MjE2LjIyOS44Mi41MA&isipgen=0","https://sync.srv.stackadapt.com/sync?nid=158&gdpr=0&gdpr_consent=&us_privacy=1YNY&sainit=true","https://sync.crwdcntrl.net/qmap?c=6569&tp=STKA&tpid=0-86577b5e-9d0f-5253-7a5a-0bb228daf9a3$ip$216.229.82.50&gdpr=0","https://idsync.rlcdn.com/403886.gif?partner_uid=0-86577b5e-9d0f-5253-7a5a-0bb228daf9a3$ip$216.229.82.50&gdpr=0","https://aa.agkn.com/adscores/g.pixel?sid=9212302578&puid=hld7Xp0PUlN6WguyKNr5o9jlUjI","https://dpm.demdex.net/ibs:dpid=390122&dpuuid=hld7Xp0PUlN6WguyKNr5o9jlUjI","https://beacon.krxd.net/usermatch.gif?partner=stackadapt&partner_uid=hld7Xp0PUlN6WguyKNr5o9jlUjI","https://ps.eyeota.net/match?bid=tpm4omv&uid=hld7Xp0PUlN6WguyKNr5o9jlUjI&gdpr=0","https://thrtle.com/insync?vxii_pid=10079&vxii_pdid=hld7Xp0PUlN6WguyKNr5o9jlUjI&us_privacy=1YNY","https://pixel.tapad.com/idsync/ex/receive?partner_id=3482&partner_device_id=hld7Xp0PUlN6WguyKNr5o9jlUjI","https://sync.srv.stackadapt.com/sync?nid=bombora&sainit=true&gdpr=0","https://sg.semasio.net/sync/1/30805874?$sType=sync&sInitiator=internal&sExtCookieId=hld7Xp0PUlN6WguyKNr5o9jlUjI&gdpr=0"],"jstracker":"<script type=\"text/javascript\" src=\"https://cdn.doubleverify.com/dvtp_src.js?ctx=34962712&cmp=DV1436327&sid=stackadapt&plc=stackadapt-dispJS&adsrv=0&advid=3891363&autt=1&dvtagver=6.1.src&ppid=347&auevent=1-8065-176166555717726171922654-1_dfaa3ae3-6f13-4b4c-afde-accc634f980a&auadv=25322&aucmp=2872099&aucrtv=11642688&auplc=_vCN2e2nAta&auxch=158&pltfrm=8608&aufilter2=IQMBFV&aubndl=sa_blank&turl=https%3A%2F%2Fwww.britannica.com%2Fbiography%2FLyndon-B-Johnson%2FElection-and-the-Vietnam-War&c1=620&c2=300&gdpr=0&gdpr_consent=\"></script>","link":{"clicktrackers":null,"url":"https://clk.srv.stackadapt.com/clk?aid=1-8065-176166555717726171922654-1&cid=2872099&adid=11642688&sid=dfaa3ae3-6f13-4b4c-afde-accc634f980a&uid=9eSA-hXopaIUfBJMdAPkXw&did=britannica.com%3A%3A158&adurl=https%3A%2F%2Feast.srv.stackadapt.com&t=1761665557&brandname=Ideal+Pase%2C+a+Massman+Company&adheading=Why+Net-Weight+Filling+Beats+Volumetric+Systems&iidx=0&nid=158&bip=MjE2LjIyOS44Mi41MA&curl=aHR0cHM6Ly9iaXQubHkvNDBHN0gzRA%3D%3D&r="},"native":{"assets":""}}