Attention must be paid to the cleanliness and maintenance of household safe box. If your household safe box use for a long time, and no time for the cleaning and maintenance, then the household safe appearance is certainly not beautiful, part of its function will be serious degradation, its service life will be shortened.
1, do not use chemical solvents to scrub the surface of the household safe, can be cleaned with a cloth with a small amount of detergent.
2, in order to ensure the safe and reliable, the expansion nut in the cone pin must hammer to nut expansion, expansion and tightening.
3, the external battery should be taken out for a long time.
Good safety box also need professional maintenance skills, so as to protect your property long-term stability.
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