In downstream oil and gas, LPG: non refillable container filled once only with gas or a mixture of gases for fueling portable gas appliances which burn the gas or gases in use (footnote 12: PNS EN 417:2016) [Section 3.23, Rule 3, DTI Department Administrative Order No. 22-11, Series of 2022, The New Technical Regulation Concerning the Mandatory Certification of Liquefied Petroleum Gas (LPG) Pressure Vessels, Systems, Services and Ancillary Products]
