Introduce you to the attention of the hinge problem
With dry soft cloth to wipe gently, do not use chemicals or acid liquid cleaner, such as, found it hard to remove the surface of the black spots available a little kerosene is wiped;
Use long sounding is a normal phenomenon, in order to ensure the pulley lasting smooth mute, every 2 -
3 months can add lubricating oil regularly to maintain.
Should prevent the weight and sharps smashing touch and scratch.
Avoid inconvenient when handling, joint damage furniture hardware.