Measurement of all radii of curvature and of all projections except for those requirements where a force has to be applied in order to check compliance with the provisions.
Tomhas gathanna uile na cuaire agus na starrán uile seachas i gcás na gceanglas sin nach mór fórsa a chur i bhfeidhm chun comhlíonadh na bhforálacha a sheiceáil.