The width of the head restraint to be taken into consideration in implementing the requirements of paragraph 5.11 above, is the distance ‘L’ measured in the plane S1 between the vertical longitudinal planes P and P’.
Peatoe laius, mida tuleb võtta arvesse punkti 5.11 nõuete rakendamisel, on tasapinnal S1 mõõdetud vertikaalsete pikitasapindade P ja P’ vaheline vahemaa L.