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 4 · column 5 of 6 · from the scan, no model involved
showers and baths. And, amazingly, a leaky toilet can waste 50 gallons a day; fix that leak, or, better yet, install a new low-flush toilet and save over 7,000 gallons a year.
Air
Did you know that the No. 1 threat to air quality in this country is no longer industrial pollution? It’s driving our cars. Car emissions produce carbon monoxide and ozone, the precursors to smog. Ride a bike. Take public transportation. Join or form your own car or van pool. If you must drive, do several errands in one trip. And make sure your car’s inspection is up to date.
Lead
If your home was built before 1978, chances are the walls were painted with lead paint. (Lead in paint was banned in 1978.) The greatest source of lead exposure is lead paint dust, created when paint is peeling or chalking from the opening and closing of windows and doors. We now know that even the tiniest traces of lead in a child’s blood can cause brain and nervous system damage — especially in very young children who get lead dust on their hands and then put
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