Absorbency properties in the fabric help keep the skin dry and cool, providing further protection against friction and shear.
纤维的吸水特性有助于保持皮肤干爽凉快，为避免摩擦力和剪应力的伤害提供了进一步的保护。
2
When the humidity in the air content of more than 100%, the sealing ring bacteria get enough water, and the oxygen in the air friction and luminescence, dry after the disappearance.
On dry surfaces, the front of a spinning sphere generates more friction than the back, and the sphere veers in a direction different from that of the rotational vector.