    Sentence £ The lucrative tin mines of Kuala  Lumpur in the State of Selangor, of Sungai Ujong  in Negeri Sembilan, and of Larut and Taiping in  Perak were run for the Malay rulers by Chinese  managers providing coolie labor.    Sentence 2: Successful tin mines were owned by  the Malay but administrated by the Chinese.