The first modern barcode was scanned 50 years ago this summer—on a 10-pack of chewing gum in a grocery store in Troy, Ohio. Fifty is ancient for most technologies, but barcodes are still going strong.
The codes influence core plumbing, mechanical, HVAC, and hydronics work across North America Applications are open until Jan. 30, 2026, with participation open to both members and non-members ONTARIO, ...
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