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Your app doesn’t show the cost of a book or the purchase button on the books store page, for some reason you can only see it on a computer. The book didn’t charge to my account even though I preordered it way back on announcement day. Sat there for hours waiting for a book to release. Take notes...

Other aspect ratios, such as 5:3, 5:4, and 1:1 (square format), are used in photography as well, particularly in medium format and large format. In still camera photography, the most common aspect ratios are 4:3, 3:2 (1.5:1), and more recently found in consumer cameras, 16:9. Other cinematic and...

The latest edition of ASHRAE’s most prolific energy standard includes more than 100 updates since the last edition was published in 2016. 2019 Update Focuses on Energy-Saving Measures, Addresses Fan Efficiency, Pump Requirementsįrom HVAC&R Industry Newsletter, October 31, 2019