| The time it took to get through to the call centre on the telephone | | | | | | |
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| The way you were treated by call centre staff | | | | | | |
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| The knowledge of the call centre staff about policies and procedures regarding maintenance issues | | | | | | |
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| The information provided to you by call centre staff | | | | | | |
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| How satisfied were you _overall_ with the service you received from the call centre? | | | | | | |
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