 Complete the following phrase:  In 2018, several single seater series such as Formula One, Formula 2 with their new Dallara F2 2018 chassis, and Formula E with their new Spark SRT05e chassis introduced a protection system to the cockpit called the halo, a wishbone-shaped frame aimed to deflect debris away from a drivers head. Despite initial criticism, including for the reason of obstructing the drivers vision, it showed some praise in the Formula 2 sprint race in Catalunya when Nirei Fukuzumi spun and had the back of his car land on fellow countryman Tadasuke Makinos halo. In the 