Complex sentence: St John Ambulance have specially adapted ambulances for the purposes of the transport of critically acute paediatric patients, although the St John Ambulance staff are not involved in the direct treatment of the patients they provide Emergency Drivers with the vehicles to transport the patients.
Split into simpler sentences: St John Ambulance have specially adapted ambulances for the purposes of the transport of critically acute paediatric patients. Although the St John Ambulance staff are not involved in the direct treatment of the patients, they provide Emergency Drivers with the vehicles to transport the patients.