This may be carried out within the vehicle structure or on a surrogate structure representative of the vehicle's WTORS anchorage geometry.
Féadfar é sin a dhéanamh laistigh de struchtúr na feithicle nó ar struchtúr ionadach atá ionadaíoch maidir le geoiméadracht ancaireachta an chórais ancaireachta cathaoireach rothaí agus srianta an duine sa chathaoir rothaí.