12.請依下文回答第 52 題至第 55 題：
In the fire department, all vehicles will require regular inspection of every aspect of their structure, systems, and
operational functions. Servicing and 52 maintenance will ensure, as far as is practicable, that the vehicle will
remain effectively available. The time taken to 53 these processes will be directly related to the accessibility of
all the areas to be inspected and serviced and the design of the vehicle must provide this 54 . Additionally, in
anticipation of the need to remove a major component, such as the engine, pump, tank, or 55 system, removable
panels and suitable lifting connections must be in place to ensure that removal and replacement does not entail
unacceptable extension of down-time.