Structure of cellulose, the main constituent of cotton. The various OH groups bind water, bringing about swelling of The material and bringing about wrinkling, and that is minimized when these elements are dealt with with tetrachloroethylene or other dry cleaning solvents. The toxicity of tetrachloroethylene is "reasonable to lower" and https://shanexqhyp.acidblog.net/61583377/everything-about-dry-cleaning