Complex sentence: Preliminary work was carried out for the project before it was cancelled in mid 1995 with 10 of the locomotives scrapped at their Whyalla plant, but some parts were later used in the RL class project.
Split into simpler sentences: Preliminary work was carried out for the project before it was cancelled in mid 1995. As a result 10 of the locomotives were scrapped at their Whyalla plant, but some parts were later used in the RL class project.