for(vector<VehicleType::Axle>::const_iterator i=axles.begin(); i!=axles.end(); ++i)
axle_objects[0].push_back(get_object(i->object));
for(vector<VehicleType::Axle>::const_iterator i=axles.begin(); i!=axles.end(); ++i)
axle_objects[0].push_back(get_object(i->object));