Sebelum 1983 pohon-pohon pada tingkat "grade tinggi" tidak hanya dipilih berdasarkan ukuran tetapi juga spesiesnya untuk pasar ekspor di Jepang, Korea, Taiwan dan Singapura
before 1983 trees on the level of "high grade" are not only selected based on the size but also the species for export markets in Japan, Korea, Taiwan and Singapore
Before 1983 the trees at the level of "high grade" not just chosen based on size but also species for export markets in Japan, Korea, Taiwan and Singapore