After the grey fabric is produced by the different processes, operation of a pretreatment is required for carrying out further coloration and finishing easily. Pre-treatment is a heart of processing of textile. In pretreatment, all the impurities are removed and fabric is brought to a stage where it is more absorbent and white and can be easily processed. In short it is a mandatory process for achieving and making easy the subsequent operations.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.