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How to correctly use vacuum cup?

by:ER Bottle     2020-05-23
In general the service life of vacuum cup is only three years, after don't heat preservation. Don't impact deformation, when using the lid don't violent twist tighten, clean with neutral detergent after use. Vacuum cup most afraid of be along, although it is metal, but easily crashed out of the pits, the deformation will affect the interlining of vacuum degree, heat preservation effect can be worse. So you need to try to avoid the impact.
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