Eich chwiliad - information ((convention problems) OR (condensation problems)) diffraction aire libre - ddim yn cyfateb ag unrhyw adnoddau

Efallai y dylech gynnig rhai amrywiadau sillafu:
condensation problems » concentration problems, compensation problem, conduction problems
convention problems » convection problem, conduction problems, prevention problems
diffraction aire » diffraction three, diffraction a, diffraction high
libre » fibre, litre, libro

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