above
abstract
ascend
background
blue
brigade
career
climb
climbing
cloud
clouds
concept
danger
emergency
engine
fire
fire engine
fire truck
firefighter
firefighting
firetruck
growth
high
japan
ladder
lift
progress
pump
reach
red
rescue
rise
safe
safety
security
service
sky
staircase
stairway
success
summer
tall
thunderhead
top
town scape
truck
up
vehicle
white