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 20 · column 4 of 4 · from the scan, no model involved
stoves. Cooking grease. Bacteria and viruses. Pet dander. Insecticide dusts...and more.
The results of a recent survey on the benefits of using an electronic air cleaner is making many allergy sufferers breathe a sigh of relief. Almost all the people who responded to the survey said they had allergic reactions to one or more of the most common indoor air pollutants.
91.8%