"Julian Barnes" wrote in message
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On Wed, 10 Feb 2016 04:41:37 -0800, John-Del wrote:

Not sure either, but I often use hot air to preheat the area before
using the iron. Nothing ruins desoldering faster than heat sinking.

And nothing ruins germanium semis faster than NOT heat sinking.

The early Japanese radios had the transistors mounted almost flush - I
wonder how they got shunts onto those tiny short leads?