Input (grade 10): The Trang area was the first area of Thailand where rubber trees were planted, brought there by governor Phraya Ratsadanupradit Mahison Phakdi from Malaysia in 1899.
Output (grade 8): Trang was the first city where rubber trees were planted. Governor Phraya Ratsadanupradit Mahison Phakdi brought rubber from Malaysia and planted it here before anywhere else in southern Thailand in 1899.