1. Look at the appearance of the handleFirst, observe the surface color and protective film of the handle to see if there are scratches and damage. To distinguish the quality of the handle, first explore from the appearance treatment. The sand handle with good quality is the one with gray color and

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If the door handl is broken and you can't open the door, you can use a small hard and thin card like an ID card and bank card to slam into the tongue of the lock. Or shake the remaining door handle violently to loosen it.Then look at the structure of the lock. Generally, there is a fixation at the p

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