Firefighter means any regular, paid or volunteer, member of a lawfully constituted fire department of a municipal corporation, township, fire district, or village.
Volunteer firefighter means a firefighter whose position normally requires less than 600
Air ambulance means any aircraft specifically constructed, modified, or equipped and used for the primary purpose of responding to emergency calls and transporting critically ill or injured patients whose medical flight crew has at a minimum two attendants certified or licensed in advanced life support.
Pet Ambulance means a Pet medical transportation service vehicle equipped with stretchers, hydraulic tables, oxygen and a driver and/or veterinary technician.
Water treatment plant means that portion of the water supply system which in some way alters the physical, chemical, or bacteriological quality of the water.