Young Blonde Girl With Chains

• Bicycle chain, transfers power from the pedals to the drive-wheel of a bicycle thus propelling it
• Chain drive, the main feature that differentiated the safety bicycle
• Chain gun, type of machine gun that is driven by an external power source, sometimes connected by a chain, to actuate the mechanism rather than using recoil
• Chain pumps, type of water pump where an endless chain has positioned on it circular discs