‘twinned wheels’ means two wheels mounted on the same axle which are considered to be one wheel, whereby the distance between the centres of their areas of contact with the ground is equal to or less than 460 mm;
ciallaíonn “rothaí cúplacha” dhá roth feistithe ar an acastóir céanna a meastar gur aon roth amháin iad agus a bhfuil an fad idir lár a ndromchla teagmhála leis an talamh comhionann le nó níos lú ná 460 mm;