John Tomczyk Books

Bundle: Refrigeration and Air Conditioning Technology, 6th Lab Manual WebTutor? on Angel Printed Access Card for C&amp P
Bundle: Refrigeration and Air Conditioning Technology, 6th Lab Manual WebTutor? on Angel Printed Access Card for C&amp P

By Eugene Silberstein, John Tomczyk, Bill Johnson, Bill Whitman

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Refrigeration and Air Conditioning Technology, 6th Edition, a time-honored best seller, has been updated and revised to provide superior hands-on information needed to successfully maintain and tro...

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Bundle: Refrigeration and Air Conditioning Technology, 6th HVAC CourseMate with eBook Printed Access Card
Bundle: Refrigeration and Air Conditioning Technology, 6th HVAC CourseMate with eBook Printed Access Card

By Eugene Silberstein, John Tomczyk, Bill Johnson, Bill Whitman

Average: 0.00, 0 Ratings

Refrigeration and Air Conditioning Technology, 6th Edition, a time-honored best seller, has been updated and revised to provide superior hands-on information needed to successfully maintain and tro...

Read More

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What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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