adhere
balance
beam
below
big
boom
building site
cargo
carrier
carry
cassation
column
complex
construction
crane
erector
factory
hang
heavy
high
hoist
hoisting
hold on
hydraulic
industrial
industry
lifter
lifting
manage
massive
metal
mobile
move
old
raise
reservoir
silo
silos
site
steel
structure
sunny
tall
tank
telescopic
tipping
tower
under
weight
work