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 9 · column 2 of 6 · from the scan, no model involved

Bui the essential amino acids also are in the proteins found in such foods as peanuts, wheat and navy beans. One plant protein teamed with another (e.g. peanut butter and bread) enhances and multiplies the effective
91.6%