Complex sentence: For example, labour shortages can cause lapses in essentials services, such as prefect patrols, which cause fires to break out, which destroys housing, which triggers a further labour shortage-a vicious circle best corrected early.
Split into simpler sentences: For example, labour shortages can cause lapses in essential services, such as prefect patrols, which cause fires to break out. This destroys housing, which triggers a further labour shortage-a vicious circle best corrected early.