aluminum
anchor
attach
bond
chain
chain link
chains
connect
connected
connecting
connection
construction
corroded
corroding
corrosion
dirt
dirty
erode
eroded
harbor
heavy
industrial
industry
iron
knot
lifting
lifting chain
link
lock
metal
mooring
oxydation
padlock
port
protect
protection
raise
ring
rings
rope
rust
rusted
rusting
rusty
rusty chain
security
skein
special
steel
strength