Complex sentence: The car was designed by David Gottlieb and advertised as having an "indestructible" plastic body, made by Hordern-Richmond Ltd; the Clipper was the first ever car to have a fibreglass body.
Split into simpler sentences: The car was designed by David Gottlieb and advertised as having an "indestructible" plastic body. Made by Hordern-Richmond Ltd., the Clipper was the first ever car to have a fibreglass body.