Hopper doesn't work properly
ENG: left up hopper would have to eject objects in up right hopper but it sends objects in the one down.
ITA: la tramoggia in alto a destra orientata verso la tramoggia a sinistra invia gli ogetti verso la tramoggia in basso piuttosto che in quella verso cui รจ direzionata.
Hoppers push items, as well as pull them from above.
The hopper below pulls the item out before the hooper above can push it away.