unity
abstract
aged
background
break
broken
chain
close
communication
concept
connection
cracked
damaged
destroy
destruction
detail
element
error
escape
fatigue
fracture
free
freedom
heavy
iron
isolated
join
link
metal
old
power
pressure
protection
ripped
rusty
security
sequence
shabby
sign
steel
strength
stress
strong
symbol
teamwork
torn
white
worn