Industrial measurement & control
The industrial measurement & control equipment that have been parts of the processes which are the oldest in a business’s operations tend to be the oldest themselves. And in time they will have established their utility and sort of become stalwarts in the business operations. And since weight measurement is likely to have been a part of even the earliest business processes, the weighing equipment used for can be quite old.
For more info: https://www.emc.co.nz/products..../weighing-load-cells
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