Someone told me that a good industrial designer should start with understanding the size of the container. I laughed.
This design is accurate to serve the needs of Party A's father.
Functionality: transparent window, one-button opening, lock buckle sealing, demetallization, large mouth filling, no dead angle full disassembly and washing.
I think it's still very practical.
The final price is also very grounded.
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Is the power source for opening the cover the small rubber ring, will it age and break after several years of use?
You said it yourself
It breaks down a thousand times, in less than a year.
https://detail.tmall.com/item.htm?abbucket=17&id=709196797698&ns=1&spm=a21n57.1.0.0.3eba523cFJ3qL4
Kind of like
Professional
Not bad
Yes
Great
Good practical ah