A look at the amazing construction techniques used in the world’s thinnest calculator by Casio
Destructive teardown on the Casio SL800 credit card calculator from 1983.
It’s more interesting than expected!
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How much does the Weller HEPA 13 Zero Smog EL Kit fume extractor suck? https://www.weller-tools.com/eu/gb/filtration/products/solder-fumes/zero-smog-el-kit-1 …