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 2 · column 2 of 9 · from the scan, no model involved
amount of chemical in the amount of water determined.
Effective use of chemicals does take some doing, so do your part and see that the driver of the equipment does his!
93.1%