BrickLink - Part 2431pb278 : LEGO Tile 1 x 4 with 'HA 7990' and Red and White Diagonal Stripes Pattern (Sticker) - Set 7990 [Tile, Decorated] - BrickLink Reference Catalog
BrickLink - Part 57792pb01 : LEGO Vehicle, Tipper Drum 3 x 6 x 10 Half with 4 Pin Holes with Blue and White Stripes Pattern (Sticker) - Set 7990 [Vehicle] - BrickLink Reference Catalog
Tow truck from BrickLink Studio
Set Review: 7990 Cement Mixer - LEGO Town - Eurobricks Forums