Complex sentence: Between 1983 and 1992 Clyde Engineering converted 59 cars from early Harris suburban Electric Multiple Units to replace the last of the older wooden carriage stock They had been ordered after the success of the 1981 New Deal in increasing patronage.
Split into simpler sentences: Between 1983 and 1992, Clyde Engineering converted 59 cars from early Harris suburban Electric Multiple Units to replace the last of the older wooden carriage stock. They were ordered after the success of the 1981 New Deal in increasing patronage.