code/modules/recycling/disposal/multiz.dm 
| MULTIZ_PIPE_UP | Defines for determining which way a multiz disposal element should travel |
|---|---|
| MULTIZ_PIPE_DOWN | Defines for determining which way a multiz disposal element should travel |
| /obj/structure/disposalpipe/trunk/multiz/down | Set the multiz direction of your trunk. 1 = up, 2 = down |
Define Details
MULTIZ_PIPE_DOWN 
Defines for determining which way a multiz disposal element should travel
MULTIZ_PIPE_UP 
Defines for determining which way a multiz disposal element should travel