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(The bowl represents one, the chopsticks represent the two, and the bowls and chopsticks are complete; It represents five, and none is considered comprehensive).
It is best to keep it in a sterilizer.
Of course not, otherwise formaldehyde will directly enter the human body. >>>More
Regardless of whether it is old or new, the first meaning of the bowl of food is your job, your profession, and your business. In addition, "bowl" also means "finished", and throwing away the old bowl also means that you are "finished" if you throw it away. Therefore, old bowls should not be thrown away.
No, the tubes are sealed. It's just that it's not convenient to bend over when holding dishes and chopsticks.
As long as it is not less than the meter, it is considered normal.