spider silk has long eluded efficient synthetic replication, in part because it has been challenging to replicate the complex transition from liquid precursors to highly structured fibres.
Twisting the fibers together makes a strong yarn. Finally, using tools or machines, people weave or knit the yarn together to make fabric. Cotton, linen, silk, wool, cashmere, and burlap are all ...
Government of India Ministry of Commerce & Industry Department of Commerce Directorate General of Foreign Trade Vanijya Bhawan Subject: Amendment in Import Policy and Import Policy Condition of ...