Ah Chong, Baloo, Cindy and Dodo are the directors of Susah Bhd (the company), which has an issued capital of RM1 million made up of 1 million 1 RM ordinary shares. They were appointed as directors two years ago. Each of them holds 15% of the issued shares of the company. The remaining 40% is held by 10 other shareholders.Three weeks ago, following a board resolution, the directors issued 500,000 new shares to Kam Cheng, a close friend of theirs.Cindy is the managing director of the company. Two weeks ago, Cindy, who is now 71 years old, entered into a contract on behalf of the company to purchase offi ce stationery from Opis Sdn Bhd at a price of RM100,000.Last week, following an argument among the directors at a board meeting, Baloo, Cindy and Dodo decided to remove Ah Chong as a director. A notice signed by Baloo, Cindy and Dodo was sent to Ah Chong stating that he had been removed as a director with immediate effect.Required:Advise Ah Lee, a member, who wishes to know the following :

(b) whether the contract for the purchase of offi ce stationery can be invalidated on the ground that Cindy was disqualifi ed to act as a director of the company; and (3 marks)

水位计应有放水阀门（或放水旋塞），并有接到安全地点的放水管。