An Ambulance is a Vehicle which can Transport Medical Problem Patient for Treatment, Some times Ambulance used to Respond to Medical Emergency by the Emergency Medical Services (In case of Doctor not Available)
A School Bus is a Type of Bus Owned (Leased, Contracted) or Operated by School Management, It is Regularly used to Transport Students from School to Home (and From Home to School)
A Fire Truck is a Vehicle Designed Primarily for Firefighting Operations, The Introduction of More-Powerful Pumps and Flexible hose to (Control the Fire Damage) solve problem.
Garbage Truck is Designed to Collect Municipal Solid Waste and Haul the Collected waste to a Solid waste Treatment Facility such as a Landfill.
A Police Car is a Ground Vehicle used by Police for Transportation during patrols and to enable then to respond to Illegal Incidents and Chases.