Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 3 · column 7 of 9 · from the scan, no model involved
only solid products are held in suspension and will not separata from the rest of the liquid. The greasy particles thus held In suspension will not be deposited again on the surface you are cleaning. Alkalis can be harmful when not used properly. Very strong alkalis can severely bum the skin and eyes and if swallowed, cause internal injuries or death. Because alkalis readily remove oily dirt, they also take oil from your hands as you work. For this reason, many people prefer to wear water proof gloves while cleaning. Alkaline cleaners also take oil from linoleum and oil base paints, drying them and causing them to crack or peel. Concentrated doses of these cleaners can loosen paint surfaces that you only aimed to clean. Another disadvantage of alkalis is their tendency to darken aluminum surfaces.
In many cases, you can prevent harmful results by using a mild alkaline solution. Baking soda is sodium bicarbonate. When mixed with water it can remove coffes and tea stains from china and plastic dishes. Baking soda car also clean glass, wall tile anc
79.8%