unity
3d
abstract
bond
border
cg
chain
chrome
circle
circular
close
connect
connection
decorative
equipment
frame
group
hoop
iron
isolated
join
link
linked
metal
metallic
polished
protect
render
rendering
ring
round
safety
security
shape
shiny
silver
simple
stainless
steel
strength
strong
symbol
tension
thick
togetherness
unify
united
wheel
whole
wide