SYDNEY/MONTREAL (Reuters) - The pandemic is taking its toll on aerospace manufacturing, as Boeing Co announced it would halt production of most widebody jets and Airbus SE restarted only partial output after a four-day shutdown as suppliers cut jobs.With airlines unable to fly because of a collapse of demand over fears of contagion, reinforced by air travel restrictions, planemakers and their suppliers are under pressure to save cash to ride out a squeeze on liquidity.Moody's cut its outlook..