medium oil / gas control valve / gas canister / Gas system / gas canisters / gas valve / motor engine oil / spare gas jet / ordinary oil / motor oil / gas pressure / gas regulator knob / gas cigarette lighters / gas regulator / vaporized gas / gas valve setting / oil takes / local garden railway supplier / oil / gas filler valve / gas tank capacity / gas tank / brass gas filler adapter / liquid gas / steam oil / vary depending on gas valve setting / /