angled
blue
cables
clear
cord
cords
cyan
details
diagonal
durability
durable
emptiness
empty
exterior
hold
holding
industrial
iron
lead
line
linear
lines
long
material
metal
minimal
monochromatic
monochrome
oblique
parallel
reinforce
resilience
robust
robustness
secure
secured
security
shades
sky
solid
solidification
solidity
steel
straight
strength
strengthening
strong
sturdiness
sturdy
wires