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 4 of 5 · from the scan, no model involved

be a source of heat or something to kindle a fire.
There won’t be a fire if only two of these ingredients are present. Take away any and a fire is not possible. That’s what fire prevention is all about, Calhoun said, to prevent the unintended combination of fuel, air and heat, which can spell diaster. □
95.9%