What's the ground mat on the train?
The "carpet" is to cotton, hemp, wool, silk, yarn and other natural grass fiber or synthetic fiber raw materials, by manual or mechanical process of knitting, woven tufted or ground paving material.
It is one of the arts and Crafts categories with a long tradition in the world. It covers the floors of houses, hotels, gymnasiums, exhibition halls, vehicles, ships, planes, etc., and reduces noise, heat insulation and decorative effects.
