2.This special cancellation mark shows CHARKHA. which is a two wheel mechanism on which thread can preparedfrom row cotton,which is finally used to prepare KHADI- A typical variety of cotton cloth.
3.Be like a trace still not take out, can twist a cotton cloth after the dip in Wenshui dry, inunction of on drop a few ammonia water, use glazing candle polish finally.
7.Eventually, he tried combining the dried bits of goop with cork dust, sticky gum, pigment, then rolled it all out into sheets backed by cotton cloth.
8.The filter element he and his team have designed is a mesh of tiny carbon cylinders, known as nanotubes, and silver wires laid on top of a thin strip of cotton cloth.