What do Planes do with their toilet waste?

Related questions

1. Is being a pilot stressful?
2. How many Airbus a330 have crashed?
3. Are Airbus a330 safe?
4. Is being a pilot hard?
5. Is the a330 300 Safe?
6. How many gallons of fuel does an Airbus a320 hold?
7. Is a320 bigger than 737?
8. What is longest flight in the world?
9. Which is better Airbus a330 or 777?

Tags

1. #accessed
2. #aircraft
3. #sucks
4. #exterior
5. #waste
6. #during
7. #truck
8. #trucks
9. #attach
10. #remains
11. #lavatory
12. #clear
13. #pilots
14. #travels
15. #flight
16. #through
17. #tanks
18. #pipes
19. #plane