background

big

cable

construction

crane

detail

disk

drum

elevator

engineering

equipment

factory

gear

hawser

heavy

hoist

huge

hydraulic

industrial

industry

iron

lift

lifting

machine

machinery

mechanical

mechanism

metal

metallic

mine

mining

motion

power

pulley

roll

rope

rotating

round

shaft

spool

steel

strong

system

technology

turning

wheel

winch

winder

work

wound