1. membrane switch bubble film by lining with membrane switch is for the press to reduce the pressure to prevent failure, should be retained;
2. membrane switch front and back coating of transparent film is to protect the membrane switches the display window, do not tear easily;
3. remove several sheets of thin film switch, the beam as is good, but I can't beam it too tightly;
4. side handle and a large number of thin film, membrane switch, require boxing stand to prevent key failure pressure for a long time;
5. the outlet to protect the membrane switch, not outlet downwards;
6. display window membrane switch, take, to prevent material force when bending, would have folds;
7. membrane switches be kept in indoor at room temperature, dust, moisture, ambient air is not acidic, alkaline, or other corrosive gas.
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