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Anonymous users2024-01-24The question of whether the toilet is good for soft rubber or hard rubber is not very good, it is too soft to suck up, too hard, and there are gaps around it, which is also not good, so it must be moderately soft and hard.
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Anonymous users2024-01-23Of course it's soft.
It is recommended to cook rubber, because the biggest difference between raw rubber and cooked rubber is that raw rubber is smaller than cooked rubber in terms of tensile strength and resilience, and the surface of raw rubber is rough while cooked rubber is generally smooth.
Sofa with moderate hardness and softness.
The seat and backrest of the sofa should be curved to fit the physical and psychological structure, otherwise it will not only be uncomfortable, but also easy to form a bad sitting posture. When choosing a sofa, you can roughly calculate it after trying to sit: the height of the sofa seat should be equivalent to the height of a person's calf. >>>More
There is no uniform standard for this, and you can choose a sofa that fits hard and soft according to your preferences. >>>More
The following is for reference.
Personally, it is recommended to use white cement. >>>More
Ask why.
Question: Many sofas nowadays have soft backrests. >>>More