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| I am representing the final year student in bachelor of (Product Design Engineering). I would be pleased to have your opinion about the phone charger. I really appreciate your cooperation in taking part in this survey, so that I can gather information for my report. Thank you. |
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| Selecting the brand of mobile phone that you use now. |
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| Do you have a phone charger? |
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| How often do you need to re-charge your mobile phone? |
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| When battery in your mobile phone become decline, you? |
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| If you are given a choice, what purpose did you buy your battery charger case for? |
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| Are you satisfied with your mobile phone's battery life? |
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| Now, i am producing a new product called portable battery USB charger which is a charger that use battery only to charge your mobile phone. If you are in emergency or travel situation and at the same time there is no power supply to charge your phone, would you prefer to use this product? |
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| How often do you conduct surveys? |
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