Extraction of crude petroleum
(a) support activities for oil and gas extraction, see 09101 (b) oil and gas exploration, see 09101 (c) manufacture of refined petroleum products, see 19201 (d) recovery of liquefied petroleum gases in the refining of petroleum, see 19201 (e) operation of pipelines, see 49300
Pengekstrakan petroleum mentah
(a) aktiviti sokongan bagi pengekstrakan minyak dan gas, lihat 09101; (b) eksplorasi minyak dan gas, lihat 09101; (c) pembuatan produk petroleum bertapis, lihat 19201; (d) perolehan semula gas petroleum cecair semasa penapisan petroleum, lihat 19201; (e) operasi saluran paip, lihat 49300