Eich chwiliad - (combustiveis or combustors) ((fossilis or (fossilised OR fossilied) ) or (fossils or fossil ))~ - ddim yn cyfateb ag unrhyw adnoddau

Efallai y dylech gynnig rhai amrywiadau sillafu:
combustiveis » combustions, combustibles
combustors » combustor
fossilis » fossili, vassilis, sessilis
fossilised » fossilied, vassilised, sessilised, fossilized
fossilied » fossilized, fossilisted, fossile

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