Eich chwiliad - "(combustiveis or (combustors or combustor)) ((fossil" or fossilis") or (fossilsed" or fossiled")) - ddim yn cyfateb ag unrhyw adnoddau

Efallai y dylech gynnig rhai amrywiadau sillafu:
combustiveis » combustions, combustibles
combustors » combustions
combustor » combustion
fossilis" » fossils", fossili", fossilised"
fossilsed" » fossilised", fossilisted", fossilized"
fossiled" » fossile", fossiles", fossilized"

Efallai y cewch fwy o ganlyniadau drwy addasu'ch ymholiad chwilio.