Germany’s largest airline Lufthansa called for quick negotiations in an ongoing wage dispute as technical staff started a three-day strike on Wednesday. “This short-term call in the technical operations with just twelve hours’ notice for a third so-called strike lasting three days is an incomprehensible and completely inappropriate escalation,” the company said on Wednesday. Verdi had been offered the opportunity to continue negotiations at any time, and this still applies, Lufthansa said. “Specifically, we would like to continue negotiations on March 4, the first working day after the end of …