Joseph is a self-employed accountant who works from his home. Since he has to deal with sensitive accounts, he decided to install a security alarm system. He entered into a contract with Security Ltd to install the alarm system in his house. Joseph was asked to read, fill in and sign a form to confirm the order. The form contained a statement that ‘Security Ltd accepts no liability whatsoever for any injury or loss sustained as a consequence of the wrongful installation or operation of any equipment supplied or fitted by it.’ Joseph did not read that notice but filled in and signed the form to confirm his order.The installation of Joseph’s security system was carried out incorrectly. During the first night, it short-circuited and caused a fire which destroyed Joseph’s house. Security Ltd admits negligence but is refusing to compensate Joseph for the losses sustained, relying on the exclusion clause.Required:Advise Joseph whether the exemption clause exempts Security Ltd from losses suffered by Joseph. (10 marks)

有价单证保管人员离职离岗，应对其保管的有价单证核对，确保“账、实”一致。（）