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 2 of 3 · from the scan, no model involved
fi ASPHALT ROOF 0 gallon paU ... rajuvonatos fait and coats It with an impervious film. Protacts from tha alamants and
COATING
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56.2%