Faszinierende Druckmaschine für die Fahrkarten der Museumseisenbahn: Oben sind die verschiedenen Druckplatten, der Schlitten wird zur richtigen Position gebracht, Pappe eingelegt und dann mechanisch per Hebel gedruckt. Inklusive Datum plus Zählwerk.

(Man möge mir die falschen Fachbegriffe verzeihen.)

"People whose homes are near busy highways may be able to reduce their blood pressure by running an air purifier with a HEPA filter, a study found.

Just a month of air filter use cut systolic blood pressure by nearly 3 points in healthy adults who had slightly elevated blood pressure, according to the report published Wednesday in the Journal of the American College of Cardiology."

https://www.nbcnews.com/health/heart-health/hepa-air-filter-lower-blood-pressure-high-air-pollution-traffic-rcna223267

#PublicHealth #air #AirQuality #AirPurifier #BloodPressure #environment