adult
aerospace
aircraft
airfield
airliner
airport
arm
aviation
beam
check
cheerful
clipboard
control
device
digital
engineer
equipment
flourish
glad
hand
happy
headset
job
male
man
mechanic
note
occupation
plane
portrait
power
preparation
repair
safety
smile
staff
stand
supply
tablet
technical
tool
transport
type
vehicle
vest
wave
work
worker
write
young