I don't have a clue yeeah that's gunno help people isn't it ?^^ weirdoo ! advantages of silk are : .good for material use .good for children because it gets rid of ashma and dierehs "...
He didn't discover the process. Silkscreen printing was first patented in England by Samuel Simon in 1907, and before that similar processes were found to be used in China from 960--1279 AD. It was...