abstract
architecture
black and white
bolt
center
centered
centre
centred
chain
climbing frame
clip
concept
conceptual
connection
connectivity
design
equipment
fastened
gravitate
gravitation
heavy
hub
industrial
industry
linkage
metal
monochrome
network
parts
pattern
playground
points
radiating
robustn
rope
spokes
steel
strength
sturdy
surrounding
tense
tensile
tension
twine
web