The test machine was imported from the United States to test the softness of the mattress.
When the human body is lying on the bed, the machine will test the pressure distribution of the mattress.
As shown in the figure below, each area under pressure will be displayed in color, with the same color indicating the degree of stress. Similarly, the display of different colors in the area represents different intensities, and each color corresponds to the corresponding bearing force.
If part of the body is not stressed, the color of the image is blank.