>> Not too many hobbyists would have a heat sealer
>> handy, would they?
>>
Not too many hobbyists wave/reflow solder, and I don't
think it's expected to be a big issue for hand soldering.

I suspect MSL3 "bake for 8 hours" is becoming like "wash
under running water for 15 minutes"; a standard instruction
applied to almost everything whether it makes sense or not.

  :-(
BillW
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