Complex sentence: They once stored rum, tobacco and cotton and several are listed as Grade II. Reportedly, stonework from the ruined Cockersand Abbey just across the river was utilised in the costruction of the quay and buildings.
Split into simpler sentences: They once stored rum, tobacco and cotton and several are Grade II listed. Reputedly stonework from the ruined Cockersand Abbey just across the river, was utilised in the costruction of the quay and buildings.