After the marketing triumphs of recent years, manufacturing moved into the spotlight on the opening day of the Paris air show on Monday as planemakers Airbus (AIR.PA) and Boeing (BA.N) battle to deliver a record $1.8 trillion backlog of orders. Reassurance also came from Airbus as its A400M military plane made a tour of the skies following a crash last month, while a stretched version of Boeing’s 787 Dreamliner delivered the wow-factor promised by its pre-show hype.