Technic, Liftarm Thick 1 x 9 with Exclamation Mark in Warning Triangle and Fire Extinguisher Pattern (Sticker) - Set 42054 : Part 40490pb045 | BrickLink
Technic, Liftarm Thick 1 x 2 - Axle Hole with Warning Sign 2 Pattern (Sticker) - Set 42054 : Part 60483pb004 | BrickLink
Technic, Panel Fairing # 4 Small Smooth Long, Side B with Red 'CLAAS', Silver '5000' and Black 'XERION' Pattern (Sticker) - Set 42054 : Part 64391pb050 | BrickLink