Rating each 2019 F1 car's technical designs

The developments keep arriving thick and fast at Formula 1 testing, and our technical experts Giorgio Piola and Jake Boxall-Legge have been tracking the details of each new part as they spot them. But which team currently has the best package from a technical standpoint? We put Piola and 'JBL' on the spot to give each car a score out of 10, to find out which teams they think have done the best job with their designs for the new season