amortization

attached

blue

cable

chain

close

closeup

connect

connection

crane

day

design

device

diy

drop

energy

engineering

fixation

flexibility

flexible

gray

heavy

holder

holding

industrial

industry

iron

isolated

line

link

lock

macro

mechanical

mechanism

metal

power

reliable

rope

rusty

safety

screw

security

softfocus

steel

strength

strong

structure

supply

white

wire