Imagine how many more cartridges they would have sold if people never cleaned the connections. Canned air exists now.
Discussion
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I've been in electronics manufacture, repair/service for 3 decades.
Everyone my generation, does this to every connector during servicing, automatically.
I've worked on 4 continents and all through Asia, there are no exceptions, its universal to a whole generation
That's how powerfully this shaped a generation
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