Stain Removal Techniques
There are two introductory approaches to removing smirch and stains . you’re able to utilize a stain - removal agent that interact with the stain chemically , or you’re able to physically loosen or remove the blot from the surface . Many stubborn stains call for both chemical and forcible treatment . In this chapter , we hash out eight physical spot - removal technique : brushing , even out , freezing , presoaking , pretreating , scraping , sponge , and pack ....