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Ag an am céanna, is iomchuí freisin go leagfar amach ceanglais lena ndírítear ar thorann bóthair na mbonn a laghdú mar aon le ceanglais fhliuchghreama a áirithíonn go gcoimeádtar leibhéal sábháilteachta na mbonn.
At the same time, it is also appropriate to set out requirements aiming at reducing tyre road noise and wet grip requirements ensuring that tyre safety levels are maintained.