Complex sentence: By the 1950s the Caproni company had collapsed and could not survive the post-war economic problems, one of the few group members to continue working was Aeroplane Caproni Trento based at Gardola in Trento.
Split into simpler sentences: By the 1950s the Caproni company had collapsed and could not survive the postwar economic problems. One of the few group members to continue working was Aeroplane Caproni Trento, based at Gardola in Trento.