你好，我有興趣知道更多電梯既資料：）
我也是一位工程師（電信），多多指教我不懂得打中文，希望不好介意
By your professional advise , is there difficult to pass those test which EMSD require your administration on the lift ?
Also , in your point of view , what kind of service level we (normal citizen) should expected as well ?
Thanks for your idea and my pleasure that for your reply
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