Our captive shop bakes their boards in conjunction with the soldermasking 
operation just before routing, and we rarely experience soldering problems 
(even though they get a brief wash after bake and route to remove router 
dust).   Occasionally, however, in some shipping and storage conditions in 
the main factory, we have problems with moisture in the soldering 
operations.  Current packaging is in paper.

What are the recommendations for improved handling?  Would a vacuum (not 
much) plastic "baggie" sealer help?

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