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 21 · column 2 of 3 · from the scan, no model involved
Self-Cleaning^^^s^^T ~
Cleans itself . . . stays white and bright. Wears longer because it chalks slowly. Gives more years of. good - looking wood - preserving protection at lower cost per year. Mildew resistant. Non toxic. No. 201.
95.3%