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47. Which of the following is NOT an appropriate method for charging an electric vehicle?
- When charging, use a charger and adapter that are compatible with the specifications.
- During charging, do not disconnect the charging connector arbitrarily, but end it with the charging completion button.
- Be careful not to use the charger with wet hands and to prevent water from entering the charging device.
- When using a portable charger to charge, you can use a household power strip or an extension cord.
Answer : 4