affix
aged
attach
big
bolt
bottom
bring down
carry
cassation
complex
construction
corrosion
crane
disassembled
disengaged
dump
erector
exempt
factory
fasten
girder
gutter
hang
heavy
hitch
hole
huge
industrial
industry
keep down
lay down
manage
massive
mechanism
metal
obsolete
old
put down
released
reservoir
scrap
screw
silo
silos
steel
tank
thread
ties
under
waste