Eiyrtyssyn y ronsee

...(tra t'eh currit rish) co-olt echey ayns troa scughee yn phoynt obbree. Ta forsey jannoo obbyr yiooldagh my vel co-olt echey noi troa scughee ec y phoynt obb ...scughey). Tra ta'n forsey {{mvar|F}} shassooagh as tra ta'n uillin eddyr y forsey as y scughey {{mvar|s}} corrym rish {{math|θ}}, ta'n obbyr goll er taishbyn ...