Humans need dishwashers.
The dishwasher was invented.
Humans are not satisfied with washing dishwashers only.
It was born.
Zhejiang School sink dishwasher
On motive force
On energy conservation
If you wash the dishes 30 minutes a day
Then a year is 10950 minutes.
It takes 2.5 years to wash dishes.
The world is so big, don't you want to see it?
No, you don't want to.
There's a pile of bowls waiting for you to wash.
No, I can.
I have Zhejiang pie sink.