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Anonymous users2024-01-23The minimum is 6 months.
To remember is to remember, but you also have to take it out often.
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Anonymous users2024-01-22In the person training, generally two or three months to know.
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Anonymous users2024-01-21It depends on when you start teaching, and you will teach early.
Generally, indoor formaldehyde release sources are not isolated, in which formaldehyde content is the accumulation of the amount of release from various release sources, and the volatilization time of different release sources is not the same, formaldehyde in wall paint can be volatilized in 7 15 days, formaldehyde in wallpaper glue is generally more than 18 months, formaldehyde in the large core board generally ranges from 15 months to 5 years, and the formaldehyde in the general MDF veneer is almost all more than three years, or even more than 10 years, and the formaldehyde in the floor is longer than the volatilization period of the honey version.
How suitable the living room is to be decided according to the area of your own housing, for example, if possible, an area of 130 square meters or more, you can arrange 30-40 square meters for the living room; If it is an area of 90-100 square meters, it is recommended to have 25-30 square meters, and now the mainstream living room is actually 20 square meters.
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There is no such provision.
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