Complex sentence: Since 1970, several groups of Indonesian Bugis are invited to Tawau in Sabah to work as contract workers for British Rubber and Abaka (BAL) Plantation at Table Estates, Imam Estate, Tiger Estate, Burut Estate and Merotai Estate.
Split into simpler sentences: Since 1970, several groups of Indonesian Bugises are invited to Tawau in Sabah. They are Indonesian Contract Workers for British Rubber and Abaka (BAL) Plantation at Table Estates, Imam Estate, Tiger Estate, Burut Estate and Merotai Estate.