background
boom
bottom
bright
cabin
cargo
clear
cloud
construction
crane
day
design
down
emphasis
folding
harbor
heavy
high
level
lift
lifts
long
lowers
mechanism
movement
object
overload
parallel
port
reliable
river
rope
sea
shift
shore
silhouette
sky
slings
spring
summer
sunny
tension
tower
up
view
water
work