Final answer:
The fire department is responsible for the availability and state of readiness of the Fire FLS Brigade.
Step-by-step explanation:
The entity responsible for the availability and state of readiness of the Fire FLS Brigade is the fire department.
The fire department is a government agency that is responsible for responding to fires and other emergencies. They ensure that the Fire FLS Brigade is well-equipped, trained, and ready to respond to any fire incidents.
For example, the fire department conducts regular training exercises, performs maintenance on firefighting equipment, and updates safety protocols to ensure the Fire FLS Brigade is always prepared.