2) Second, because the production and testing process that unusual defective products, and also have the opportunity to damage test grounding resistance equipment (maintenance 4); prevent short circuit test hardware update for this;

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2) the second, as the production testing Alpha process not found in normal quality, but at the same time also have the opportunity to damage the testing grounding resistance equipment (Virginie repaired 4 times); to prevent short circuit test for this hardware update for the project;