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 3 of 6 · from the scan, no model involved

Spend less time in areas with higher concentrations of radon, such as the basement. In planning the conversion of an unfinished basement into a living area, test for radon before beginning the remodeling or refinishing.
• Whenever practical, open all windows and turn on films to increase the air flow into and through the house. This is especially important in the basement.
• If your home has a crawl space beneath, keep the crawlspace vents on all sides of the house fully open all year.
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