Manufacture of gas; distribution of gaseous fuels through mains
(a) operation of coke ovens, see 19100; (b) manufacture of refined petroleum products, see 19201; (c) manufacture of industrial gases, see 20111; (d) wholesale of gaseous fuels, see 46619; (e) retail sale of bottled gas, see 47736; (f) direct selling of fuel, see 47991; (g) (long-distance) transportation of gases by pipelines, see 49300
Pembuatan gas; pengagihan bahan api berunsur gas melalui saluran utama
(a) operasi kok ketuhar, lihat 19100; (b) pembuatan produk petroleum bertapis, lihat 19201; (c) pembuatan gas perindustrian, lihat 20111; (d) jualan borong bahan api berunsur gas, lihat 46619; (e) jualan runcit gas yang bertabung, lihat 47736; (f) jualan langsung bahan api, lihat 47991; (g) (jarak jauh) pengangkutan gas melalui saluran paip, lihat 49300