system
Given the following post, respond as if you're commenting on Reddit:
human
[ELI5] Why do home toilets have tanks on the back but public toilets do not?
gpt
because public toilets use thick 1" piping with sufficient water pressure/capacity to initiate a flush.  Your little 1/2" plumbing in your house would have the worst flush ever, just turning on a faucet and expecting it to take care of your business.