Hai is an employee of a construction company and was working on a building site where a new office was being built. Whilst working on the roof of the new building, Hai accidentally dropped one of his tools and injured Linh, who was walking past the building site at the time. Linh’s injuries resulted in the need for hospital treatment and absence from work for two weeks.As a result of the accident, Linh wishes to make a claim for medical expenses and wages lost due to absence from work.Required:Explain the rights and obligations that may arise in respect of Hai, Hai’s employer and Linh. (10 marks)

测CU、Fe所用器皿必须先用（）浸渍或煮洗，然后用（）反复清洗后才能使用。