They are primarily staffed by volunteers, though some have paid employees. In this model, ambulances are staffed by paramedics and/or emergency medical technicians. Facilities must be staffed with engineers to ensure they are fully functional. Because few Muslim teachers were trained, Muslim schools were largely staffed by French teachers. Even local political offices were often staffed by Venezuelans and New Granadans. Mount Pleasant fire stations are staffed daily by 33 personnel. Through the war it was staffed with 1,500 personnel and treated some 19,000 patients. For less serious cases, physicians staffed outpatient clinics. Executive agencies are staffed by civil servants. Both departments are staffed 24 hours a day, 7 days a week. These hospitals were staffed by military medics, alongside the NHS. The bus is sometimes staffed by promotions personnel, giving out free gifts. Formed in 1980, it is staffed entirely by volunteers and is based in Guernsey. Waiting rooms may be staffed or unstaffed. This service is normally staffed by retained firefighters.