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Cannwyll

Cannwyll
Mathportable light source, nwydd, storio ynni, long and narrow object Edit this on Wikidata
DeunyddCwyr Edit this on Wikidata
Rhan ocandelabra Edit this on Wikidata
Cysylltir gydacandlestick Edit this on Wikidata
Yn cynnwysCwyr, Pabwyr Edit this on Wikidata
Gwneuthurwrcannwyll-gwneuthurwr Edit this on Wikidata
Tudalen Comin Ffeiliau perthnasol ar Gomin Wicimedia
Cannwyll yn llosgi

Talp solet o gwyr gyda phabwyr wedi ei osod ynddo a gaiff ei gynnau er mwyn rhoi goleuni, ac weithiau wres, yw cannwyll. Yn hanesyddol roedd yn fodd o gadw amser yn osgystal. Er mwyn i gannwyll losgi, defnyddir ffynhonnell o wres i dan'r pabwyr (fel arfer fflam noeth), sydd yn toddi ac yn anweddu rhywfaint o'r tanwydd, sef y cwyr. Wedi iddo anweddu, mae'r tanwydd yn cyfuno ag ocsigen yn yr atmosffêr i ffurfio fflam gyson.

Eginyn erthygl sydd uchod am ddefnydd. Gallwch helpu Wicipedia drwy ychwanegu ato.
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Cannwyll
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