英文關鍵字
aerial
aid
apparatus
appliance
arm
articulating
assist
basket
blue
boom
cage
cherry
climb
clouds
construction
cradle
crane
descend
descending
down
drill
elevation
elevator
emergency
engine
equipment
escape
extend
extinguishing
facility
fire
firebrigade
firefighter
firefighting
hardware
height
high
hydraladder
hydraulic
industrial
industry
ladder
lift
lifting
lowering
machine
machinery
modern
outdoors
picker
platform
pneumatic
professional
raised
repair
rescue
safety
salvation
save
security
service
sky
special
stairs
survival
technology
telescopic
tool
transport
truck
vehicle
vertigo
work