Arrosega els elements la columna de la dreta cap a l'esquerra, o bé escull el correcte de la llista desplegable.

Insurance salesman	??? Pull (2) Push (3) Pull (1) Push (1) Pull (3) Push (2) Pull (4)
Pop-up advertising	??? Pull (2) Push (3) Pull (1) Push (1) Pull (3) Push (2) Pull (4)
Search engine	??? Pull (2) Push (3) Pull (1) Push (1) Pull (3) Push (2) Pull (4)
Video advertising before youtube videos	??? Pull (2) Push (3) Pull (1) Push (1) Pull (3) Push (2) Pull (4)
Spotify	??? Pull (2) Push (3) Pull (1) Push (1) Pull (3) Push (2) Pull (4)
Production on demand	??? Pull (2) Push (3) Pull (1) Push (1) Pull (3) Push (2) Pull (4)
Vending machine	??? Pull (2) Push (3) Pull (1) Push (1) Pull (3) Push (2) Pull (4)