Shu brocade, made in Sichun, had its origins in the Han Dynasty. It is an important cultural heritage and prestigious craftwork in China. As early as 1907.
Pretty much the same as they did 100 years ago but now they use machinary instead of doing it by hand. Cotton is cleaned and pulled through a comb to separate and straighten the fibers. Then they are...
Generally a paint contain: a pigment (colouring agent - of organic or inorganic nature, natural or synthetic), a solvent, additives, a binder (an oil or organic polymers), etc.
2 Satellites are complex machine designed for a specific purpose, in the same way as aircraft carriers, and large jet liners. And their manufacture utilizes the same techniques. The vacuum...
